Home / 87,513.80-131,285.10-37,617.80

Finding the Fourth Proportional to 87,513.80, 131,285.10 and 37,617.80

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Solution

The fourth proportional to 87,513.80, 131,285.10 and 37,617.80 is: 56,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,513.80 : 131,285.10 = 37,617.80 : x
  2. Step 2: Convert to fraction form
    87,513.80/131,285.10 = 37,617.80/x
  3. Step 3: Cross multiply
    87,513.80x = 131,285.10 × 37,617.80
  4. Step 4: Simplify right side
    87,513.80x = 4,938,656,634.78
  5. Step 5: Solve for x
    x = 4,938,656,634.78/87,513.80
  6. Step 6: Final answer
    x = 56,432.89

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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.