Finding the Fourth Proportional to 125,475.92, 173,153.85 and 71,757.73
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Solution
The fourth proportional to 125,475.92, 173,153.85 and 71,757.73 is: 99,023.99
Step by Step Solution
- Step 1: Write the proportion equation
125,475.92 : 173,153.85 = 71,757.73 : x - Step 2: Convert to fraction form
125,475.92/173,153.85 = 71,757.73/x - Step 3: Cross multiply
125,475.92x = 173,153.85 × 71,757.73 - Step 4: Simplify right side
125,475.92x = 12,425,126,350.99 - Step 5: Solve for x
x = 12,425,126,350.99/125,475.92 - Step 6: Final answer
x = 99,023.99
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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.