Home / 89,396.56-123,353.48-51,663.52

Finding the Fourth Proportional to 89,396.56, 123,353.48 and 51,663.52

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Solution

The fourth proportional to 89,396.56, 123,353.48 and 51,663.52 is: 71,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,396.56 : 123,353.48 = 51,663.52 : x
  2. Step 2: Convert to fraction form
    89,396.56/123,353.48 = 51,663.52/x
  3. Step 3: Cross multiply
    89,396.56x = 123,353.48 × 51,663.52
  4. Step 4: Simplify right side
    89,396.56x = 6,372,874,981.05
  5. Step 5: Solve for x
    x = 6,372,874,981.05/89,396.56
  6. Step 6: Final answer
    x = 71,287.70

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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.