Home / 69,182.15-103,787.80-22,431.38

Finding the Fourth Proportional to 69,182.15, 103,787.80 and 22,431.38

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Solution

The fourth proportional to 69,182.15, 103,787.80 and 22,431.38 is: 33,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,182.15 : 103,787.80 = 22,431.38 : x
  2. Step 2: Convert to fraction form
    69,182.15/103,787.80 = 22,431.38/x
  3. Step 3: Cross multiply
    69,182.15x = 103,787.80 × 22,431.38
  4. Step 4: Simplify right side
    69,182.15x = 2,328,103,006.15
  5. Step 5: Solve for x
    x = 2,328,103,006.15/69,182.15
  6. Step 6: Final answer
    x = 33,651.79

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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.