Home / 87,822.73-131,734.44-21,262.75

Finding the Fourth Proportional to 87,822.73, 131,734.44 and 21,262.75

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Solution

The fourth proportional to 87,822.73, 131,734.44 and 21,262.75 is: 31,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.73 : 131,734.44 = 21,262.75 : x
  2. Step 2: Convert to fraction form
    87,822.73/131,734.44 = 21,262.75/x
  3. Step 3: Cross multiply
    87,822.73x = 131,734.44 × 21,262.75
  4. Step 4: Simplify right side
    87,822.73x = 2,801,036,464.11
  5. Step 5: Solve for x
    x = 2,801,036,464.11/87,822.73
  6. Step 6: Final answer
    x = 31,894.21

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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.