Finding the Fourth Proportional to 94,900.07, 142,349.99 and 38,766.56
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Solution
The fourth proportional to 94,900.07, 142,349.99 and 38,766.56 is: 58,149.79
Step by Step Solution
- Step 1: Write the proportion equation
94,900.07 : 142,349.99 = 38,766.56 : x - Step 2: Convert to fraction form
94,900.07/142,349.99 = 38,766.56/x - Step 3: Cross multiply
94,900.07x = 142,349.99 × 38,766.56 - Step 4: Simplify right side
94,900.07x = 5,518,418,522.75 - Step 5: Solve for x
x = 5,518,418,522.75/94,900.07 - Step 6: Final answer
x = 58,149.79
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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.