Home / 89,825.76-123,960.78-49,544.46

Finding the Fourth Proportional to 89,825.76, 123,960.78 and 49,544.46

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Solution

The fourth proportional to 89,825.76, 123,960.78 and 49,544.46 is: 68,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.76 : 123,960.78 = 49,544.46 : x
  2. Step 2: Convert to fraction form
    89,825.76/123,960.78 = 49,544.46/x
  3. Step 3: Cross multiply
    89,825.76x = 123,960.78 × 49,544.46
  4. Step 4: Simplify right side
    89,825.76x = 6,141,569,906.28
  5. Step 5: Solve for x
    x = 6,141,569,906.28/89,825.76
  6. Step 6: Final answer
    x = 68,372.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.