Home / 68,622.20-102,933.30-57,796.55

Finding the Fourth Proportional to 68,622.20, 102,933.30 and 57,796.55

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Solution

The fourth proportional to 68,622.20, 102,933.30 and 57,796.55 is: 86,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.20 : 102,933.30 = 57,796.55 : x
  2. Step 2: Convert to fraction form
    68,622.20/102,933.30 = 57,796.55/x
  3. Step 3: Cross multiply
    68,622.20x = 102,933.30 × 57,796.55
  4. Step 4: Simplify right side
    68,622.20x = 5,949,189,620.12
  5. Step 5: Solve for x
    x = 5,949,189,620.12/68,622.20
  6. Step 6: Final answer
    x = 86,694.83

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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.