Home / 87,822.83-131,734.58-21,262.86

Finding the Fourth Proportional to 87,822.83, 131,734.58 and 21,262.86

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Solution

The fourth proportional to 87,822.83, 131,734.58 and 21,262.86 is: 31,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.83 : 131,734.58 = 21,262.86 : x
  2. Step 2: Convert to fraction form
    87,822.83/131,734.58 = 21,262.86/x
  3. Step 3: Cross multiply
    87,822.83x = 131,734.58 × 21,262.86
  4. Step 4: Simplify right side
    87,822.83x = 2,801,053,825.38
  5. Step 5: Solve for x
    x = 2,801,053,825.38/87,822.83
  6. Step 6: Final answer
    x = 31,894.37

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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.