Home / 87,440.17-130,888.76-47,359.61

Finding the Fourth Proportional to 87,440.17, 130,888.76 and 47,359.61

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Solution

The fourth proportional to 87,440.17, 130,888.76 and 47,359.61 is: 70,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440.17 : 130,888.76 = 47,359.61 : x
  2. Step 2: Convert to fraction form
    87,440.17/130,888.76 = 47,359.61/x
  3. Step 3: Cross multiply
    87,440.17x = 130,888.76 × 47,359.61
  4. Step 4: Simplify right side
    87,440.17x = 6,198,840,226.57
  5. Step 5: Solve for x
    x = 6,198,840,226.57/87,440.17
  6. Step 6: Final answer
    x = 70,892.36

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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.