Finding the Fourth Proportional to 88,660.12, 122,350.36 and 48,373.96
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Solution
The fourth proportional to 88,660.12, 122,350.36 and 48,373.96 is: 66,755.73
Step by Step Solution
- Step 1: Write the proportion equation
88,660.12 : 122,350.36 = 48,373.96 : x - Step 2: Convert to fraction form
88,660.12/122,350.36 = 48,373.96/x - Step 3: Cross multiply
88,660.12x = 122,350.36 × 48,373.96 - Step 4: Simplify right side
88,660.12x = 5,918,571,420.63 - Step 5: Solve for x
x = 5,918,571,420.63/88,660.12 - Step 6: Final answer
x = 66,755.73
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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.