Finding the Fourth Proportional to 87,253.08, 120,454.97 and 58,722.75
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Solution
The fourth proportional to 87,253.08, 120,454.97 and 58,722.75 is: 81,068.16
Step by Step Solution
- Step 1: Write the proportion equation
87,253.08 : 120,454.97 = 58,722.75 : x - Step 2: Convert to fraction form
87,253.08/120,454.97 = 58,722.75/x - Step 3: Cross multiply
87,253.08x = 120,454.97 × 58,722.75 - Step 4: Simplify right side
87,253.08x = 7,073,446,795.95 - Step 5: Solve for x
x = 7,073,446,795.95/87,253.08 - Step 6: Final answer
x = 81,068.16
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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.