Home / 67,934.69-101,869.24-28,481.21

Finding the Fourth Proportional to 67,934.69, 101,869.24 and 28,481.21

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Solution

The fourth proportional to 67,934.69, 101,869.24 and 28,481.21 is: 42,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,934.69 : 101,869.24 = 28,481.21 : x
  2. Step 2: Convert to fraction form
    67,934.69/101,869.24 = 28,481.21/x
  3. Step 3: Cross multiply
    67,934.69x = 101,869.24 × 28,481.21
  4. Step 4: Simplify right side
    67,934.69x = 2,901,359,216.98
  5. Step 5: Solve for x
    x = 2,901,359,216.98/67,934.69
  6. Step 6: Final answer
    x = 42,708.07

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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.