Finding the Fourth Proportional to 87,853.00, 121,236.62 and 47,565.92
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Solution
The fourth proportional to 87,853.00, 121,236.62 and 47,565.92 is: 65,640.68
Step by Step Solution
- Step 1: Write the proportion equation
87,853.00 : 121,236.62 = 47,565.92 : x - Step 2: Convert to fraction form
87,853.00/121,236.62 = 47,565.92/x - Step 3: Cross multiply
87,853.00x = 121,236.62 × 47,565.92 - Step 4: Simplify right side
87,853.00x = 5,766,730,880.72 - Step 5: Solve for x
x = 5,766,730,880.72/87,853.00 - Step 6: Final answer
x = 65,640.68
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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.