Home / 49,221.20-67,905.92-30,325.52

Finding the Fourth Proportional to 49,221.20, 67,905.92 and 30,325.52

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Solution

The fourth proportional to 49,221.20, 67,905.92 and 30,325.52 is: 41,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,221.20 : 67,905.92 = 30,325.52 : x
  2. Step 2: Convert to fraction form
    49,221.20/67,905.92 = 30,325.52/x
  3. Step 3: Cross multiply
    49,221.20x = 67,905.92 × 30,325.52
  4. Step 4: Simplify right side
    49,221.20x = 2,059,282,335.08
  5. Step 5: Solve for x
    x = 2,059,282,335.08/49,221.20
  6. Step 6: Final answer
    x = 41,837.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.