Home / 87,469.08-131,236.50-52,433.88

Finding the Fourth Proportional to 87,469.08, 131,236.50 and 52,433.88

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Solution

The fourth proportional to 87,469.08, 131,236.50 and 52,433.88 is: 78,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,469.08 : 131,236.50 = 52,433.88 : x
  2. Step 2: Convert to fraction form
    87,469.08/131,236.50 = 52,433.88/x
  3. Step 3: Cross multiply
    87,469.08x = 131,236.50 × 52,433.88
  4. Step 4: Simplify right side
    87,469.08x = 6,881,238,892.62
  5. Step 5: Solve for x
    x = 6,881,238,892.62/87,469.08
  6. Step 6: Final answer
    x = 78,670.53

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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.