Finding the Fourth Proportional to 129,002.97, 193,471.65 and 50,074.14
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Solution
The fourth proportional to 129,002.97, 193,471.65 and 50,074.14 is: 75,098.48
Step by Step Solution
- Step 1: Write the proportion equation
129,002.97 : 193,471.65 = 50,074.14 : x - Step 2: Convert to fraction form
129,002.97/193,471.65 = 50,074.14/x - Step 3: Cross multiply
129,002.97x = 193,471.65 × 50,074.14 - Step 4: Simplify right side
129,002.97x = 9,687,926,488.13 - Step 5: Solve for x
x = 9,687,926,488.13/129,002.97 - Step 6: Final answer
x = 75,098.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.