Home / 87,568.24-131,292.32-31,407.16

Finding the Fourth Proportional to 87,568.24, 131,292.32 and 31,407.16

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Solution

The fourth proportional to 87,568.24, 131,292.32 and 31,407.16 is: 47,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.24 : 131,292.32 = 31,407.16 : x
  2. Step 2: Convert to fraction form
    87,568.24/131,292.32 = 31,407.16/x
  3. Step 3: Cross multiply
    87,568.24x = 131,292.32 × 31,407.16
  4. Step 4: Simplify right side
    87,568.24x = 4,123,518,901.01
  5. Step 5: Solve for x
    x = 4,123,518,901.01/87,568.24
  6. Step 6: Final answer
    x = 47,089.21

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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.