Finding the Fourth Proportional to 86,520.36, 119,402.14 and 48,793.80
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Solution
The fourth proportional to 86,520.36, 119,402.14 and 48,793.80 is: 67,337.72
Step by Step Solution
- Step 1: Write the proportion equation
86,520.36 : 119,402.14 = 48,793.80 : x - Step 2: Convert to fraction form
86,520.36/119,402.14 = 48,793.80/x - Step 3: Cross multiply
86,520.36x = 119,402.14 × 48,793.80 - Step 4: Simplify right side
86,520.36x = 5,826,084,138.73 - Step 5: Solve for x
x = 5,826,084,138.73/86,520.36 - Step 6: Final answer
x = 67,337.72
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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.