Home / 87,150.72-120,267.99-49,424.97

Finding the Fourth Proportional to 87,150.72, 120,267.99 and 49,424.97

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Solution

The fourth proportional to 87,150.72, 120,267.99 and 49,424.97 is: 68,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,150.72 : 120,267.99 = 49,424.97 : x
  2. Step 2: Convert to fraction form
    87,150.72/120,267.99 = 49,424.97/x
  3. Step 3: Cross multiply
    87,150.72x = 120,267.99 × 49,424.97
  4. Step 4: Simplify right side
    87,150.72x = 5,944,241,797.71
  5. Step 5: Solve for x
    x = 5,944,241,797.71/87,150.72
  6. Step 6: Final answer
    x = 68,206.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.