Home / 69,201.78-103,817.26-22,451.04

Finding the Fourth Proportional to 69,201.78, 103,817.26 and 22,451.04

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Solution

The fourth proportional to 69,201.78, 103,817.26 and 22,451.04 is: 33,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,201.78 : 103,817.26 = 22,451.04 : x
  2. Step 2: Convert to fraction form
    69,201.78/103,817.26 = 22,451.04/x
  3. Step 3: Cross multiply
    69,201.78x = 103,817.26 × 22,451.04
  4. Step 4: Simplify right side
    69,201.78x = 2,330,805,456.95
  5. Step 5: Solve for x
    x = 2,330,805,456.95/69,201.78
  6. Step 6: Final answer
    x = 33,681.29

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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.