Home / 87,892.25-131,844.56-43,507.08

Finding the Fourth Proportional to 87,892.25, 131,844.56 and 43,507.08

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Solution

The fourth proportional to 87,892.25, 131,844.56 and 43,507.08 is: 65,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.25 : 131,844.56 = 43,507.08 : x
  2. Step 2: Convert to fraction form
    87,892.25/131,844.56 = 43,507.08/x
  3. Step 3: Cross multiply
    87,892.25x = 131,844.56 × 43,507.08
  4. Step 4: Simplify right side
    87,892.25x = 5,736,171,601.95
  5. Step 5: Solve for x
    x = 5,736,171,601.95/87,892.25
  6. Step 6: Final answer
    x = 65,263.68

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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.