Home / 68,121.87-102,183.38-23,748.54

Finding the Fourth Proportional to 68,121.87, 102,183.38 and 23,748.54

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Solution

The fourth proportional to 68,121.87, 102,183.38 and 23,748.54 is: 35,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,121.87 : 102,183.38 = 23,748.54 : x
  2. Step 2: Convert to fraction form
    68,121.87/102,183.38 = 23,748.54/x
  3. Step 3: Cross multiply
    68,121.87x = 102,183.38 × 23,748.54
  4. Step 4: Simplify right side
    68,121.87x = 2,426,706,087.27
  5. Step 5: Solve for x
    x = 2,426,706,087.27/68,121.87
  6. Step 6: Final answer
    x = 35,623.01

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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.