Home / 87,806.82-131,739.78-27,845.10

Finding the Fourth Proportional to 87,806.82, 131,739.78 and 27,845.10

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Solution

The fourth proportional to 87,806.82, 131,739.78 and 27,845.10 is: 41,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,806.82 : 131,739.78 = 27,845.10 : x
  2. Step 2: Convert to fraction form
    87,806.82/131,739.78 = 27,845.10/x
  3. Step 3: Cross multiply
    87,806.82x = 131,739.78 × 27,845.10
  4. Step 4: Simplify right side
    87,806.82x = 3,668,307,348.08
  5. Step 5: Solve for x
    x = 3,668,307,348.08/87,806.82
  6. Step 6: Final answer
    x = 41,777.02

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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.