Home / 87,022.08-120,067.31-50,218.97

Finding the Fourth Proportional to 87,022.08, 120,067.31 and 50,218.97

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Solution

The fourth proportional to 87,022.08, 120,067.31 and 50,218.97 is: 69,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.08 : 120,067.31 = 50,218.97 : x
  2. Step 2: Convert to fraction form
    87,022.08/120,067.31 = 50,218.97/x
  3. Step 3: Cross multiply
    87,022.08x = 120,067.31 × 50,218.97
  4. Step 4: Simplify right side
    87,022.08x = 6,029,656,164.08
  5. Step 5: Solve for x
    x = 6,029,656,164.08/87,022.08
  6. Step 6: Final answer
    x = 69,288.81

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1.5x scale

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.