Home / 68,229.57-102,219.66-49,463.07

Finding the Fourth Proportional to 68,229.57, 102,219.66 and 49,463.07

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Solution

The fourth proportional to 68,229.57, 102,219.66 and 49,463.07 is: 74,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,229.57 : 102,219.66 = 49,463.07 : x
  2. Step 2: Convert to fraction form
    68,229.57/102,219.66 = 49,463.07/x
  3. Step 3: Cross multiply
    68,229.57x = 102,219.66 × 49,463.07
  4. Step 4: Simplify right side
    68,229.57x = 5,056,098,197.96
  5. Step 5: Solve for x
    x = 5,056,098,197.96/68,229.57
  6. Step 6: Final answer
    x = 74,104.21

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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.