Home / 89,767.94-123,885.29-49,481.60

Finding the Fourth Proportional to 89,767.94, 123,885.29 and 49,481.60

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Solution

The fourth proportional to 89,767.94, 123,885.29 and 49,481.60 is: 68,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,767.94 : 123,885.29 = 49,481.60 : x
  2. Step 2: Convert to fraction form
    89,767.94/123,885.29 = 49,481.60/x
  3. Step 3: Cross multiply
    89,767.94x = 123,885.29 × 49,481.60
  4. Step 4: Simplify right side
    89,767.94x = 6,130,042,799.08
  5. Step 5: Solve for x
    x = 6,130,042,799.08/89,767.94
  6. Step 6: Final answer
    x = 68,287.66

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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.