Home / 87,568.66-131,371.44-28,399.72

Finding the Fourth Proportional to 87,568.66, 131,371.44 and 28,399.72

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Solution

The fourth proportional to 87,568.66, 131,371.44 and 28,399.72 is: 42,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.66 : 131,371.44 = 28,399.72 : x
  2. Step 2: Convert to fraction form
    87,568.66/131,371.44 = 28,399.72/x
  3. Step 3: Cross multiply
    87,568.66x = 131,371.44 × 28,399.72
  4. Step 4: Simplify right side
    87,568.66x = 3,730,912,112.00
  5. Step 5: Solve for x
    x = 3,730,912,112.00/87,568.66
  6. Step 6: Final answer
    x = 42,605.56

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1.5x scale

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.