Finding the Fourth Proportional to 94,132.24, 129,902.16 and 51,689.68
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Solution
The fourth proportional to 94,132.24, 129,902.16 and 51,689.68 is: 71,331.58
Step by Step Solution
- Step 1: Write the proportion equation
94,132.24 : 129,902.16 = 51,689.68 : x - Step 2: Convert to fraction form
94,132.24/129,902.16 = 51,689.68/x - Step 3: Cross multiply
94,132.24x = 129,902.16 × 51,689.68 - Step 4: Simplify right side
94,132.24x = 6,714,601,081.71 - Step 5: Solve for x
x = 6,714,601,081.71/94,132.24 - Step 6: Final answer
x = 71,331.58
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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.