Home / 67,939.11-101,869.79-28,462.95

Finding the Fourth Proportional to 67,939.11, 101,869.79 and 28,462.95

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Solution

The fourth proportional to 67,939.11, 101,869.79 and 28,462.95 is: 42,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.11 : 101,869.79 = 28,462.95 : x
  2. Step 2: Convert to fraction form
    67,939.11/101,869.79 = 28,462.95/x
  3. Step 3: Cross multiply
    67,939.11x = 101,869.79 × 28,462.95
  4. Step 4: Simplify right side
    67,939.11x = 2,899,514,596.97
  5. Step 5: Solve for x
    x = 2,899,514,596.97/67,939.11
  6. Step 6: Final answer
    x = 42,678.14

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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.