Home / 87,633.02-131,437.17-28,469.41

Finding the Fourth Proportional to 87,633.02, 131,437.17 and 28,469.41

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Solution

The fourth proportional to 87,633.02, 131,437.17 and 28,469.41 is: 42,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,633.02 : 131,437.17 = 28,469.41 : x
  2. Step 2: Convert to fraction form
    87,633.02/131,437.17 = 28,469.41/x
  3. Step 3: Cross multiply
    87,633.02x = 131,437.17 × 28,469.41
  4. Step 4: Simplify right side
    87,633.02x = 3,741,938,681.97
  5. Step 5: Solve for x
    x = 3,741,938,681.97/87,633.02
  6. Step 6: Final answer
    x = 42,700.10

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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.