Finding the Fourth Proportional to 88,728.62, 122,444.56 and 48,442.25
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Solution
The fourth proportional to 88,728.62, 122,444.56 and 48,442.25 is: 66,849.80
Step by Step Solution
- Step 1: Write the proportion equation
88,728.62 : 122,444.56 = 48,442.25 : x - Step 2: Convert to fraction form
88,728.62/122,444.56 = 48,442.25/x - Step 3: Cross multiply
88,728.62x = 122,444.56 × 48,442.25 - Step 4: Simplify right side
88,728.62x = 5,931,490,353.32 - Step 5: Solve for x
x = 5,931,490,353.32/88,728.62 - Step 6: Final answer
x = 66,849.80
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1.5x scale
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.