Halfway Between 4 and 101

When you ask "What number is halfway between 4 and 101?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=4 and Y=101.

Halfway Between Line

To find the number halfway between 4 and 101, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 4 and 101 into our formula, we get:

(4 + 101)/2 = 52.5

Thus, the number halfway between 4 and 101 is 52.5.

To check that our answer is correct, we subtract 4 from 52.5 and subtract 52.5 from 101 and compare the two numbers:

52.5 - 4 = 48.5
101 - 52.5 = 48.5

As you can see, the halfway number is 48.5 higher than 4 and 48.5 lower than 101. Therefore, our halfway between answer of 52.5 above is correct.

Halfway Between
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Halfway Between 4 and 102
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