Finding the Fourth Proportional to 125,547.48, 173,212.62 and 71,812.92
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Solution
The fourth proportional to 125,547.48, 173,212.62 and 71,812.92 is: 99,077.29
Step by Step Solution
- Step 1: Write the proportion equation
125,547.48 : 173,212.62 = 71,812.92 : x - Step 2: Convert to fraction form
125,547.48/173,212.62 = 71,812.92/x - Step 3: Cross multiply
125,547.48x = 173,212.62 × 71,812.92 - Step 4: Simplify right side
125,547.48x = 12,438,904,023.05 - Step 5: Solve for x
x = 12,438,904,023.05/125,547.48 - Step 6: Final answer
x = 99,077.29
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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.