Finding the Fourth Proportional to 125,634.11, 173,387.27 and 71,926.79
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Solution
The fourth proportional to 125,634.11, 173,387.27 and 71,926.79 is: 99,265.95
Step by Step Solution
- Step 1: Write the proportion equation
125,634.11 : 173,387.27 = 71,926.79 : x - Step 2: Convert to fraction form
125,634.11/173,387.27 = 71,926.79/x - Step 3: Cross multiply
125,634.11x = 173,387.27 × 71,926.79 - Step 4: Simplify right side
125,634.11x = 12,471,189,757.96 - Step 5: Solve for x
x = 12,471,189,757.96/125,634.11 - Step 6: Final answer
x = 99,265.95
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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.