Home / 75,449.34-113,191.52-22,139.15

Finding the Fourth Proportional to 75,449.34, 113,191.52 and 22,139.15

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Solution

The fourth proportional to 75,449.34, 113,191.52 and 22,139.15 is: 33,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,449.34 : 113,191.52 = 22,139.15 : x
  2. Step 2: Convert to fraction form
    75,449.34/113,191.52 = 22,139.15/x
  3. Step 3: Cross multiply
    75,449.34x = 113,191.52 × 22,139.15
  4. Step 4: Simplify right side
    75,449.34x = 2,505,963,363.35
  5. Step 5: Solve for x
    x = 2,505,963,363.35/75,449.34
  6. Step 6: Final answer
    x = 33,213.85

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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.