Home / 87,154.27-120,271.31-48,910.82

Finding the Fourth Proportional to 87,154.27, 120,271.31 and 48,910.82

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Solution

The fourth proportional to 87,154.27, 120,271.31 and 48,910.82 is: 67,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,154.27 : 120,271.31 = 48,910.82 : x
  2. Step 2: Convert to fraction form
    87,154.27/120,271.31 = 48,910.82/x
  3. Step 3: Cross multiply
    87,154.27x = 120,271.31 × 48,910.82
  4. Step 4: Simplify right side
    87,154.27x = 5,882,567,732.08
  5. Step 5: Solve for x
    x = 5,882,567,732.08/87,154.27
  6. Step 6: Final answer
    x = 67,496.04

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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.