Home / 68,022.27-102,067.97-30,574.80

Finding the Fourth Proportional to 68,022.27, 102,067.97 and 30,574.80

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Solution

The fourth proportional to 68,022.27, 102,067.97 and 30,574.80 is: 45,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.27 : 102,067.97 = 30,574.80 : x
  2. Step 2: Convert to fraction form
    68,022.27/102,067.97 = 30,574.80/x
  3. Step 3: Cross multiply
    68,022.27x = 102,067.97 × 30,574.80
  4. Step 4: Simplify right side
    68,022.27x = 3,120,707,616.28
  5. Step 5: Solve for x
    x = 3,120,707,616.28/68,022.27
  6. Step 6: Final answer
    x = 45,877.73

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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.