Home / 87,568.48-131,371.16-28,399.53

Finding the Fourth Proportional to 87,568.48, 131,371.16 and 28,399.53

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Solution

The fourth proportional to 87,568.48, 131,371.16 and 28,399.53 is: 42,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.48 : 131,371.16 = 28,399.53 : x
  2. Step 2: Convert to fraction form
    87,568.48/131,371.16 = 28,399.53/x
  3. Step 3: Cross multiply
    87,568.48x = 131,371.16 × 28,399.53
  4. Step 4: Simplify right side
    87,568.48x = 3,730,879,199.55
  5. Step 5: Solve for x
    x = 3,730,879,199.55/87,568.48
  6. Step 6: Final answer
    x = 42,605.28

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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.