Home / 87,801.06-131,731.16-27,839.32

Finding the Fourth Proportional to 87,801.06, 131,731.16 and 27,839.32

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Solution

The fourth proportional to 87,801.06, 131,731.16 and 27,839.32 is: 41,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,801.06 : 131,731.16 = 27,839.32 : x
  2. Step 2: Convert to fraction form
    87,801.06/131,731.16 = 27,839.32/x
  3. Step 3: Cross multiply
    87,801.06x = 131,731.16 × 27,839.32
  4. Step 4: Simplify right side
    87,801.06x = 3,667,305,917.21
  5. Step 5: Solve for x
    x = 3,667,305,917.21/87,801.06
  6. Step 6: Final answer
    x = 41,768.36

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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.