Finding the Fourth Proportional to 88,057.53, 121,519.85 and 47,772.99
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Solution
The fourth proportional to 88,057.53, 121,519.85 and 47,772.99 is: 65,926.97
Step by Step Solution
- Step 1: Write the proportion equation
88,057.53 : 121,519.85 = 47,772.99 : x - Step 2: Convert to fraction form
88,057.53/121,519.85 = 47,772.99/x - Step 3: Cross multiply
88,057.53x = 121,519.85 × 47,772.99 - Step 4: Simplify right side
88,057.53x = 5,805,366,339.99 - Step 5: Solve for x
x = 5,805,366,339.99/88,057.53 - Step 6: Final answer
x = 65,926.97
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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.