Home / 68,028.72-102,037.32-23,647.92

Finding the Fourth Proportional to 68,028.72, 102,037.32 and 23,647.92

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Solution

The fourth proportional to 68,028.72, 102,037.32 and 23,647.92 is: 35,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,028.72 : 102,037.32 = 23,647.92 : x
  2. Step 2: Convert to fraction form
    68,028.72/102,037.32 = 23,647.92/x
  3. Step 3: Cross multiply
    68,028.72x = 102,037.32 × 23,647.92
  4. Step 4: Simplify right side
    68,028.72x = 2,412,970,380.37
  5. Step 5: Solve for x
    x = 2,412,970,380.37/68,028.72
  6. Step 6: Final answer
    x = 35,469.88

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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.