Home / 87,481.50-131,241.69-32,077.50

Finding the Fourth Proportional to 87,481.50, 131,241.69 and 32,077.50

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Solution

The fourth proportional to 87,481.50, 131,241.69 and 32,077.50 is: 48,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,481.50 : 131,241.69 = 32,077.50 : x
  2. Step 2: Convert to fraction form
    87,481.50/131,241.69 = 32,077.50/x
  3. Step 3: Cross multiply
    87,481.50x = 131,241.69 × 32,077.50
  4. Step 4: Simplify right side
    87,481.50x = 4,209,905,310.98
  5. Step 5: Solve for x
    x = 4,209,905,310.98/87,481.50
  6. Step 6: Final answer
    x = 48,123.38

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1.5x scale

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.