Finding the Fourth Proportional to 83,791.20, 125,615.99 and 36,370.43
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Solution
The fourth proportional to 83,791.20, 125,615.99 and 36,370.43 is: 54,524.90
Step by Step Solution
- Step 1: Write the proportion equation
83,791.20 : 125,615.99 = 36,370.43 : x - Step 2: Convert to fraction form
83,791.20/125,615.99 = 36,370.43/x - Step 3: Cross multiply
83,791.20x = 125,615.99 × 36,370.43 - Step 4: Simplify right side
83,791.20x = 4,568,706,761.24 - Step 5: Solve for x
x = 4,568,706,761.24/83,791.20 - Step 6: Final answer
x = 54,524.90
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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.