Home / 87,571.26-131,344.56-28,407.44

Finding the Fourth Proportional to 87,571.26, 131,344.56 and 28,407.44

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Solution

The fourth proportional to 87,571.26, 131,344.56 and 28,407.44 is: 42,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.26 : 131,344.56 = 28,407.44 : x
  2. Step 2: Convert to fraction form
    87,571.26/131,344.56 = 28,407.44/x
  3. Step 3: Cross multiply
    87,571.26x = 131,344.56 × 28,407.44
  4. Step 4: Simplify right side
    87,571.26x = 3,731,162,707.53
  5. Step 5: Solve for x
    x = 3,731,162,707.53/87,571.26
  6. Step 6: Final answer
    x = 42,607.16

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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.