Home / 68,912.48-103,383.40-22,169.04

Finding the Fourth Proportional to 68,912.48, 103,383.40 and 22,169.04

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Solution

The fourth proportional to 68,912.48, 103,383.40 and 22,169.04 is: 33,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912.48 : 103,383.40 = 22,169.04 : x
  2. Step 2: Convert to fraction form
    68,912.48/103,383.40 = 22,169.04/x
  3. Step 3: Cross multiply
    68,912.48x = 103,383.40 × 22,169.04
  4. Step 4: Simplify right side
    68,912.48x = 2,291,910,729.94
  5. Step 5: Solve for x
    x = 2,291,910,729.94/68,912.48
  6. Step 6: Final answer
    x = 33,258.28

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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.