Home / 87,315.76-130,997.81-34,762.15

Finding the Fourth Proportional to 87,315.76, 130,997.81 and 34,762.15

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Solution

The fourth proportional to 87,315.76, 130,997.81 and 34,762.15 is: 52,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,315.76 : 130,997.81 = 34,762.15 : x
  2. Step 2: Convert to fraction form
    87,315.76/130,997.81 = 34,762.15/x
  3. Step 3: Cross multiply
    87,315.76x = 130,997.81 × 34,762.15
  4. Step 4: Simplify right side
    87,315.76x = 4,553,765,280.30
  5. Step 5: Solve for x
    x = 4,553,765,280.30/87,315.76
  6. Step 6: Final answer
    x = 52,152.85

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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.