Home / 87,788.34-131,682.24-35,234.73

Finding the Fourth Proportional to 87,788.34, 131,682.24 and 35,234.73

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Solution

The fourth proportional to 87,788.34, 131,682.24 and 35,234.73 is: 52,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,788.34 : 131,682.24 = 35,234.73 : x
  2. Step 2: Convert to fraction form
    87,788.34/131,682.24 = 35,234.73/x
  3. Step 3: Cross multiply
    87,788.34x = 131,682.24 × 35,234.73
  4. Step 4: Simplify right side
    87,788.34x = 4,639,788,172.20
  5. Step 5: Solve for x
    x = 4,639,788,172.20/87,788.34
  6. Step 6: Final answer
    x = 52,851.99

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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.