Home / 68,874.13-103,307.55-22,123.36

Finding the Fourth Proportional to 68,874.13, 103,307.55 and 22,123.36

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Solution

The fourth proportional to 68,874.13, 103,307.55 and 22,123.36 is: 33,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874.13 : 103,307.55 = 22,123.36 : x
  2. Step 2: Convert to fraction form
    68,874.13/103,307.55 = 22,123.36/x
  3. Step 3: Cross multiply
    68,874.13x = 103,307.55 × 22,123.36
  4. Step 4: Simplify right side
    68,874.13x = 2,285,510,119.37
  5. Step 5: Solve for x
    x = 2,285,510,119.37/68,874.13
  6. Step 6: Final answer
    x = 33,183.87

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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.