Home / 87,568.41-131,371.07-28,399.47

Finding the Fourth Proportional to 87,568.41, 131,371.07 and 28,399.47

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Solution

The fourth proportional to 87,568.41, 131,371.07 and 28,399.47 is: 42,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.41 : 131,371.07 = 28,399.47 : x
  2. Step 2: Convert to fraction form
    87,568.41/131,371.07 = 28,399.47/x
  3. Step 3: Cross multiply
    87,568.41x = 131,371.07 × 28,399.47
  4. Step 4: Simplify right side
    87,568.41x = 3,730,868,619.34
  5. Step 5: Solve for x
    x = 3,730,868,619.34/87,568.41
  6. Step 6: Final answer
    x = 42,605.19

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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.