Finding the Fourth Proportional to 87,729.94, 131,645.07 and 37,124.98
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Solution
The fourth proportional to 87,729.94, 131,645.07 and 37,124.98 is: 55,708.70
Step by Step Solution
- Step 1: Write the proportion equation
87,729.94 : 131,645.07 = 37,124.98 : x - Step 2: Convert to fraction form
87,729.94/131,645.07 = 37,124.98/x - Step 3: Cross multiply
87,729.94x = 131,645.07 × 37,124.98 - Step 4: Simplify right side
87,729.94x = 4,887,320,590.85 - Step 5: Solve for x
x = 4,887,320,590.85/87,729.94 - Step 6: Final answer
x = 55,708.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.