Finding the Fourth Proportional to 87,700.97, 121,027.35 and 47,414.72
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Solution
The fourth proportional to 87,700.97, 121,027.35 and 47,414.72 is: 65,432.32
Step by Step Solution
- Step 1: Write the proportion equation
87,700.97 : 121,027.35 = 47,414.72 : x - Step 2: Convert to fraction form
87,700.97/121,027.35 = 47,414.72/x - Step 3: Cross multiply
87,700.97x = 121,027.35 × 47,414.72 - Step 4: Simplify right side
87,700.97x = 5,738,477,728.40 - Step 5: Solve for x
x = 5,738,477,728.40/87,700.97 - Step 6: Final answer
x = 65,432.32
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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.