Finding the Fourth Proportional to 88,617.24, 122,291.32 and 48,330.28
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Solution
The fourth proportional to 88,617.24, 122,291.32 and 48,330.28 is: 66,695.53
Step by Step Solution
- Step 1: Write the proportion equation
88,617.24 : 122,291.32 = 48,330.28 : x - Step 2: Convert to fraction form
88,617.24/122,291.32 = 48,330.28/x - Step 3: Cross multiply
88,617.24x = 122,291.32 × 48,330.28 - Step 4: Simplify right side
88,617.24x = 5,910,373,737.17 - Step 5: Solve for x
x = 5,910,373,737.17/88,617.24 - Step 6: Final answer
x = 66,695.53
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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.