Home / 69,540.33-104,318.64-22,138.82

Finding the Fourth Proportional to 69,540.33, 104,318.64 and 22,138.82

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Solution

The fourth proportional to 69,540.33, 104,318.64 and 22,138.82 is: 33,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.33 : 104,318.64 = 22,138.82 : x
  2. Step 2: Convert to fraction form
    69,540.33/104,318.64 = 22,138.82/x
  3. Step 3: Cross multiply
    69,540.33x = 104,318.64 × 22,138.82
  4. Step 4: Simplify right side
    69,540.33x = 2,309,491,593.60
  5. Step 5: Solve for x
    x = 2,309,491,593.60/69,540.33
  6. Step 6: Final answer
    x = 33,210.82

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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.