Finding the Fourth Proportional to 93,600.99, 129,132.63 and 57,728.52
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Solution
The fourth proportional to 93,600.99, 129,132.63 and 57,728.52 is: 79,642.70
Step by Step Solution
- Step 1: Write the proportion equation
93,600.99 : 129,132.63 = 57,728.52 : x - Step 2: Convert to fraction form
93,600.99/129,132.63 = 57,728.52/x - Step 3: Cross multiply
93,600.99x = 129,132.63 × 57,728.52 - Step 4: Simplify right side
93,600.99x = 7,454,635,613.61 - Step 5: Solve for x
x = 7,454,635,613.61/93,600.99 - Step 6: Final answer
x = 79,642.70
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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.