Home / 68,873.13-103,306.05-22,122.36

Finding the Fourth Proportional to 68,873.13, 103,306.05 and 22,122.36

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Solution

The fourth proportional to 68,873.13, 103,306.05 and 22,122.36 is: 33,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,873.13 : 103,306.05 = 22,122.36 : x
  2. Step 2: Convert to fraction form
    68,873.13/103,306.05 = 22,122.36/x
  3. Step 3: Cross multiply
    68,873.13x = 103,306.05 × 22,122.36
  4. Step 4: Simplify right side
    68,873.13x = 2,285,373,628.28
  5. Step 5: Solve for x
    x = 2,285,373,628.28/68,873.13
  6. Step 6: Final answer
    x = 33,182.37

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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.