Home / 87,908.60-131,761.72-43,564.48

Finding the Fourth Proportional to 87,908.60, 131,761.72 and 43,564.48

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Solution

The fourth proportional to 87,908.60, 131,761.72 and 43,564.48 is: 65,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.60 : 131,761.72 = 43,564.48 : x
  2. Step 2: Convert to fraction form
    87,908.60/131,761.72 = 43,564.48/x
  3. Step 3: Cross multiply
    87,908.60x = 131,761.72 × 43,564.48
  4. Step 4: Simplify right side
    87,908.60x = 5,740,130,815.71
  5. Step 5: Solve for x
    x = 5,740,130,815.71/87,908.60
  6. Step 6: Final answer
    x = 65,296.58

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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.