Home / 89,351.78-123,308.33-51,626.02

Finding the Fourth Proportional to 89,351.78, 123,308.33 and 51,626.02

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Solution

The fourth proportional to 89,351.78, 123,308.33 and 51,626.02 is: 71,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,351.78 : 123,308.33 = 51,626.02 : x
  2. Step 2: Convert to fraction form
    89,351.78/123,308.33 = 51,626.02/x
  3. Step 3: Cross multiply
    89,351.78x = 123,308.33 × 51,626.02
  4. Step 4: Simplify right side
    89,351.78x = 6,365,918,310.75
  5. Step 5: Solve for x
    x = 6,365,918,310.75/89,351.78
  6. Step 6: Final answer
    x = 71,245.57

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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.