Home / 87,832.82-131,770.23-28,668.61

Finding the Fourth Proportional to 87,832.82, 131,770.23 and 28,668.61

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Solution

The fourth proportional to 87,832.82, 131,770.23 and 28,668.61 is: 43,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.82 : 131,770.23 = 28,668.61 : x
  2. Step 2: Convert to fraction form
    87,832.82/131,770.23 = 28,668.61/x
  3. Step 3: Cross multiply
    87,832.82x = 131,770.23 × 28,668.61
  4. Step 4: Simplify right side
    87,832.82x = 3,777,669,333.48
  5. Step 5: Solve for x
    x = 3,777,669,333.48/87,832.82
  6. Step 6: Final answer
    x = 43,009.77

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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.