Home / 89,583.06-123,627.60-49,299.78

Finding the Fourth Proportional to 89,583.06, 123,627.60 and 49,299.78

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Solution

The fourth proportional to 89,583.06, 123,627.60 and 49,299.78 is: 68,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,583.06 : 123,627.60 = 49,299.78 : x
  2. Step 2: Convert to fraction form
    89,583.06/123,627.60 = 49,299.78/x
  3. Step 3: Cross multiply
    89,583.06x = 123,627.60 × 49,299.78
  4. Step 4: Simplify right side
    89,583.06x = 6,094,813,481.93
  5. Step 5: Solve for x
    x = 6,094,813,481.93/89,583.06
  6. Step 6: Final answer
    x = 68,035.33

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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.