Finding the Fourth Proportional to 88,371.02, 121,952.54 and 48,085.08
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Solution
The fourth proportional to 88,371.02, 121,952.54 and 48,085.08 is: 66,357.70
Step by Step Solution
- Step 1: Write the proportion equation
88,371.02 : 121,952.54 = 48,085.08 : x - Step 2: Convert to fraction form
88,371.02/121,952.54 = 48,085.08/x - Step 3: Cross multiply
88,371.02x = 121,952.54 × 48,085.08 - Step 4: Simplify right side
88,371.02x = 5,864,097,642.10 - Step 5: Solve for x
x = 5,864,097,642.10/88,371.02 - Step 6: Final answer
x = 66,357.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.