Home / 87,837.10-131,759.28-25,507.60

Finding the Fourth Proportional to 87,837.10, 131,759.28 and 25,507.60

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Solution

The fourth proportional to 87,837.10, 131,759.28 and 25,507.60 is: 38,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,837.10 : 131,759.28 = 25,507.60 : x
  2. Step 2: Convert to fraction form
    87,837.10/131,759.28 = 25,507.60/x
  3. Step 3: Cross multiply
    87,837.10x = 131,759.28 × 25,507.60
  4. Step 4: Simplify right side
    87,837.10x = 3,360,863,010.53
  5. Step 5: Solve for x
    x = 3,360,863,010.53/87,837.10
  6. Step 6: Final answer
    x = 38,262.45

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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.