Home / 87,843.56-131,600.01-43,418.30

Finding the Fourth Proportional to 87,843.56, 131,600.01 and 43,418.30

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Solution

The fourth proportional to 87,843.56, 131,600.01 and 43,418.30 is: 65,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.56 : 131,600.01 = 43,418.30 : x
  2. Step 2: Convert to fraction form
    87,843.56/131,600.01 = 43,418.30/x
  3. Step 3: Cross multiply
    87,843.56x = 131,600.01 × 43,418.30
  4. Step 4: Simplify right side
    87,843.56x = 5,713,848,714.18
  5. Step 5: Solve for x
    x = 5,713,848,714.18/87,843.56
  6. Step 6: Final answer
    x = 65,045.73

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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.