Home / 75,291.20-112,947.22-25,385.58

Finding the Fourth Proportional to 75,291.20, 112,947.22 and 25,385.58

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Solution

The fourth proportional to 75,291.20, 112,947.22 and 25,385.58 is: 38,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291.20 : 112,947.22 = 25,385.58 : x
  2. Step 2: Convert to fraction form
    75,291.20/112,947.22 = 25,385.58/x
  3. Step 3: Cross multiply
    75,291.20x = 112,947.22 × 25,385.58
  4. Step 4: Simplify right side
    75,291.20x = 2,867,230,689.09
  5. Step 5: Solve for x
    x = 2,867,230,689.09/75,291.20
  6. Step 6: Final answer
    x = 38,081.88

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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.