Finding the Fourth Proportional to 88,613.58, 122,287.76 and 48,326.95
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Solution
The fourth proportional to 88,613.58, 122,287.76 and 48,326.95 is: 66,691.75
Step by Step Solution
- Step 1: Write the proportion equation
88,613.58 : 122,287.76 = 48,326.95 : x - Step 2: Convert to fraction form
88,613.58/122,287.76 = 48,326.95/x - Step 3: Cross multiply
88,613.58x = 122,287.76 × 48,326.95 - Step 4: Simplify right side
88,613.58x = 5,909,794,463.13 - Step 5: Solve for x
x = 5,909,794,463.13/88,613.58 - Step 6: Final answer
x = 66,691.75
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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.