Home / 87,320.61-131,004.99-34,767

Finding the Fourth Proportional to 87,320.61, 131,004.99 and 34,767

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Solution

The fourth proportional to 87,320.61, 131,004.99 and 34,767 is: 52,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320.61 : 131,004.99 = 34,767 : x
  2. Step 2: Convert to fraction form
    87,320.61/131,004.99 = 34,767/x
  3. Step 3: Cross multiply
    87,320.61x = 131,004.99 × 34,767
  4. Step 4: Simplify right side
    87,320.61x = 4,554,650,487.33
  5. Step 5: Solve for x
    x = 4,554,650,487.33/87,320.61
  6. Step 6: Final answer
    x = 52,160.09

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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.