Finding the Fourth Proportional to 88,775.93, 122,509.97 and 48,489.68
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Solution
The fourth proportional to 88,775.93, 122,509.97 and 48,489.68 is: 66,915.31
Step by Step Solution
- Step 1: Write the proportion equation
88,775.93 : 122,509.97 = 48,489.68 : x - Step 2: Convert to fraction form
88,775.93/122,509.97 = 48,489.68/x - Step 3: Cross multiply
88,775.93x = 122,509.97 × 48,489.68 - Step 4: Simplify right side
88,775.93x = 5,940,468,387.11 - Step 5: Solve for x
x = 5,940,468,387.11/88,775.93 - Step 6: Final answer
x = 66,915.31
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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.