Home / 87,338.27-120,512.09-49,092.77

Finding the Fourth Proportional to 87,338.27, 120,512.09 and 49,092.77

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Solution

The fourth proportional to 87,338.27, 120,512.09 and 49,092.77 is: 67,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.27 : 120,512.09 = 49,092.77 : x
  2. Step 2: Convert to fraction form
    87,338.27/120,512.09 = 49,092.77/x
  3. Step 3: Cross multiply
    87,338.27x = 120,512.09 × 49,092.77
  4. Step 4: Simplify right side
    87,338.27x = 5,916,271,468.57
  5. Step 5: Solve for x
    x = 5,916,271,468.57/87,338.27
  6. Step 6: Final answer
    x = 67,739.74

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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.