Home / 87,704.88-131,524.66-31,529.66

Finding the Fourth Proportional to 87,704.88, 131,524.66 and 31,529.66

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Solution

The fourth proportional to 87,704.88, 131,524.66 and 31,529.66 is: 47,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704.88 : 131,524.66 = 31,529.66 : x
  2. Step 2: Convert to fraction form
    87,704.88/131,524.66 = 31,529.66/x
  3. Step 3: Cross multiply
    87,704.88x = 131,524.66 × 31,529.66
  4. Step 4: Simplify right side
    87,704.88x = 4,146,927,193.20
  5. Step 5: Solve for x
    x = 4,146,927,193.20/87,704.88
  6. Step 6: Final answer
    x = 47,282.74

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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.