Home / 87,563.35-131,285.04-31,402.26

Finding the Fourth Proportional to 87,563.35, 131,285.04 and 31,402.26

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Solution

The fourth proportional to 87,563.35, 131,285.04 and 31,402.26 is: 47,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,563.35 : 131,285.04 = 31,402.26 : x
  2. Step 2: Convert to fraction form
    87,563.35/131,285.04 = 31,402.26/x
  3. Step 3: Cross multiply
    87,563.35x = 131,285.04 × 31,402.26
  4. Step 4: Simplify right side
    87,563.35x = 4,122,646,842.43
  5. Step 5: Solve for x
    x = 4,122,646,842.43/87,563.35
  6. Step 6: Final answer
    x = 47,081.88

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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.