Home / 68,198.05-102,231.46-34,933.78

Finding the Fourth Proportional to 68,198.05, 102,231.46 and 34,933.78

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Solution

The fourth proportional to 68,198.05, 102,231.46 and 34,933.78 is: 52,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,198.05 : 102,231.46 = 34,933.78 : x
  2. Step 2: Convert to fraction form
    68,198.05/102,231.46 = 34,933.78/x
  3. Step 3: Cross multiply
    68,198.05x = 102,231.46 × 34,933.78
  4. Step 4: Simplify right side
    68,198.05x = 3,571,331,158.05
  5. Step 5: Solve for x
    x = 3,571,331,158.05/68,198.05
  6. Step 6: Final answer
    x = 52,367.06

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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.