Home / 87,962.72-131,944-35,359.88

Finding the Fourth Proportional to 87,962.72, 131,944 and 35,359.88

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Solution

The fourth proportional to 87,962.72, 131,944 and 35,359.88 is: 53,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,962.72 : 131,944 = 35,359.88 : x
  2. Step 2: Convert to fraction form
    87,962.72/131,944 = 35,359.88/x
  3. Step 3: Cross multiply
    87,962.72x = 131,944 × 35,359.88
  4. Step 4: Simplify right side
    87,962.72x = 4,665,524,006.72
  5. Step 5: Solve for x
    x = 4,665,524,006.72/87,962.72
  6. Step 6: Final answer
    x = 53,039.79

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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.