Home / 87,344.28-131,009.10-31,225.86

Finding the Fourth Proportional to 87,344.28, 131,009.10 and 31,225.86

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Solution

The fourth proportional to 87,344.28, 131,009.10 and 31,225.86 is: 46,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344.28 : 131,009.10 = 31,225.86 : x
  2. Step 2: Convert to fraction form
    87,344.28/131,009.10 = 31,225.86/x
  3. Step 3: Cross multiply
    87,344.28x = 131,009.10 × 31,225.86
  4. Step 4: Simplify right side
    87,344.28x = 4,090,871,815.33
  5. Step 5: Solve for x
    x = 4,090,871,815.33/87,344.28
  6. Step 6: Final answer
    x = 46,836.17

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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.