Finding the Fourth Proportional to 88,979.70, 122,791.94 and 48,693.44
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Solution
The fourth proportional to 88,979.70, 122,791.94 and 48,693.44 is: 67,196.92
Step by Step Solution
- Step 1: Write the proportion equation
88,979.70 : 122,791.94 = 48,693.44 : x - Step 2: Convert to fraction form
88,979.70/122,791.94 = 48,693.44/x - Step 3: Cross multiply
88,979.70x = 122,791.94 × 48,693.44 - Step 4: Simplify right side
88,979.70x = 5,979,161,962.87 - Step 5: Solve for x
x = 5,979,161,962.87/88,979.70 - Step 6: Final answer
x = 67,196.92
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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.