Home / 75,103.20-112,669.38-22,508.28

Finding the Fourth Proportional to 75,103.20, 112,669.38 and 22,508.28

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Solution

The fourth proportional to 75,103.20, 112,669.38 and 22,508.28 is: 33,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.20 : 112,669.38 = 22,508.28 : x
  2. Step 2: Convert to fraction form
    75,103.20/112,669.38 = 22,508.28/x
  3. Step 3: Cross multiply
    75,103.20x = 112,669.38 × 22,508.28
  4. Step 4: Simplify right side
    75,103.20x = 2,535,993,952.47
  5. Step 5: Solve for x
    x = 2,535,993,952.47/75,103.20
  6. Step 6: Final answer
    x = 33,766.79

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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.