Home / 87,948.82-131,910.48-28,786.84

Finding the Fourth Proportional to 87,948.82, 131,910.48 and 28,786.84

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Solution

The fourth proportional to 87,948.82, 131,910.48 and 28,786.84 is: 43,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,948.82 : 131,910.48 = 28,786.84 : x
  2. Step 2: Convert to fraction form
    87,948.82/131,910.48 = 28,786.84/x
  3. Step 3: Cross multiply
    87,948.82x = 131,910.48 × 28,786.84
  4. Step 4: Simplify right side
    87,948.82x = 3,797,285,882.08
  5. Step 5: Solve for x
    x = 3,797,285,882.08/87,948.82
  6. Step 6: Final answer
    x = 43,176.09

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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.