Home / 69,921.90-104,883.92-17,331.44

Finding the Fourth Proportional to 69,921.90, 104,883.92 and 17,331.44

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Solution

The fourth proportional to 69,921.90, 104,883.92 and 17,331.44 is: 25,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921.90 : 104,883.92 = 17,331.44 : x
  2. Step 2: Convert to fraction form
    69,921.90/104,883.92 = 17,331.44/x
  3. Step 3: Cross multiply
    69,921.90x = 104,883.92 × 17,331.44
  4. Step 4: Simplify right side
    69,921.90x = 1,817,789,366.44
  5. Step 5: Solve for x
    x = 1,817,789,366.44/69,921.90
  6. Step 6: Final answer
    x = 25,997.43

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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.