Home / 87,635.94-131,359.13-34,987.56

Finding the Fourth Proportional to 87,635.94, 131,359.13 and 34,987.56

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Solution

The fourth proportional to 87,635.94, 131,359.13 and 34,987.56 is: 52,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,635.94 : 131,359.13 = 34,987.56 : x
  2. Step 2: Convert to fraction form
    87,635.94/131,359.13 = 34,987.56/x
  3. Step 3: Cross multiply
    87,635.94x = 131,359.13 × 34,987.56
  4. Step 4: Simplify right side
    87,635.94x = 4,595,935,442.42
  5. Step 5: Solve for x
    x = 4,595,935,442.42/87,635.94
  6. Step 6: Final answer
    x = 52,443.50

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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.