Finding the Fourth Proportional to 88,717.60, 122,430.60 and 48,432.26
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Solution
The fourth proportional to 88,717.60, 122,430.60 and 48,432.26 is: 66,836.69
Step by Step Solution
- Step 1: Write the proportion equation
88,717.60 : 122,430.60 = 48,432.26 : x - Step 2: Convert to fraction form
88,717.60/122,430.60 = 48,432.26/x - Step 3: Cross multiply
88,717.60x = 122,430.60 × 48,432.26 - Step 4: Simplify right side
88,717.60x = 5,929,590,651.16 - Step 5: Solve for x
x = 5,929,590,651.16/88,717.60 - Step 6: Final answer
x = 66,836.69
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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.