Finding the Fourth Proportional to 88,321.68, 121,882.74 and 48,034.58
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Solution
The fourth proportional to 88,321.68, 121,882.74 and 48,034.58 is: 66,287.08
Step by Step Solution
- Step 1: Write the proportion equation
88,321.68 : 121,882.74 = 48,034.58 : x - Step 2: Convert to fraction form
88,321.68/121,882.74 = 48,034.58/x - Step 3: Cross multiply
88,321.68x = 121,882.74 × 48,034.58 - Step 4: Simplify right side
88,321.68x = 5,854,586,225.15 - Step 5: Solve for x
x = 5,854,586,225.15/88,321.68 - Step 6: Final answer
x = 66,287.08
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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.