Finding the Fourth Proportional to 88,816.05, 122,562.48 and 48,531.18
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Solution
The fourth proportional to 88,816.05, 122,562.48 and 48,531.18 is: 66,971.02
Step by Step Solution
- Step 1: Write the proportion equation
88,816.05 : 122,562.48 = 48,531.18 : x - Step 2: Convert to fraction form
88,816.05/122,562.48 = 48,531.18/x - Step 3: Cross multiply
88,816.05x = 122,562.48 × 48,531.18 - Step 4: Simplify right side
88,816.05x = 5,948,101,778.13 - Step 5: Solve for x
x = 5,948,101,778.13/88,816.05 - Step 6: Final answer
x = 66,971.02
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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.