Home / 87,667.20-131,452.20-37,738.80

Finding the Fourth Proportional to 87,667.20, 131,452.20 and 37,738.80

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Solution

The fourth proportional to 87,667.20, 131,452.20 and 37,738.80 is: 56,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,667.20 : 131,452.20 = 37,738.80 : x
  2. Step 2: Convert to fraction form
    87,667.20/131,452.20 = 37,738.80/x
  3. Step 3: Cross multiply
    87,667.20x = 131,452.20 × 37,738.80
  4. Step 4: Simplify right side
    87,667.20x = 4,960,848,285.36
  5. Step 5: Solve for x
    x = 4,960,848,285.36/87,667.20
  6. Step 6: Final answer
    x = 56,587.28

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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.