Finding the Fourth Proportional to 88,740.50, 122,464.40 and 48,456.80
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Solution
The fourth proportional to 88,740.50, 122,464.40 and 48,456.80 is: 66,871.75
Step by Step Solution
- Step 1: Write the proportion equation
88,740.50 : 122,464.40 = 48,456.80 : x - Step 2: Convert to fraction form
88,740.50/122,464.40 = 48,456.80/x - Step 3: Cross multiply
88,740.50x = 122,464.40 × 48,456.80 - Step 4: Simplify right side
88,740.50x = 5,934,232,937.92 - Step 5: Solve for x
x = 5,934,232,937.92/88,740.50 - Step 6: Final answer
x = 66,871.75
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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.