Home / 69,180.52-103,785.36-22,429.76

Finding the Fourth Proportional to 69,180.52, 103,785.36 and 22,429.76

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Solution

The fourth proportional to 69,180.52, 103,785.36 and 22,429.76 is: 33,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,180.52 : 103,785.36 = 22,429.76 : x
  2. Step 2: Convert to fraction form
    69,180.52/103,785.36 = 22,429.76/x
  3. Step 3: Cross multiply
    69,180.52x = 103,785.36 × 22,429.76
  4. Step 4: Simplify right side
    69,180.52x = 2,327,880,716.31
  5. Step 5: Solve for x
    x = 2,327,880,716.31/69,180.52
  6. Step 6: Final answer
    x = 33,649.37

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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.