Home / 87,644.82-131,480.55-32,236.50

Finding the Fourth Proportional to 87,644.82, 131,480.55 and 32,236.50

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Solution

The fourth proportional to 87,644.82, 131,480.55 and 32,236.50 is: 48,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,644.82 : 131,480.55 = 32,236.50 : x
  2. Step 2: Convert to fraction form
    87,644.82/131,480.55 = 32,236.50/x
  3. Step 3: Cross multiply
    87,644.82x = 131,480.55 × 32,236.50
  4. Step 4: Simplify right side
    87,644.82x = 4,238,472,750.08
  5. Step 5: Solve for x
    x = 4,238,472,750.08/87,644.82
  6. Step 6: Final answer
    x = 48,359.65

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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.