Home / 89,614.89-123,663.11-51,881.85

Finding the Fourth Proportional to 89,614.89, 123,663.11 and 51,881.85

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Solution

The fourth proportional to 89,614.89, 123,663.11 and 51,881.85 is: 71,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.89 : 123,663.11 = 51,881.85 : x
  2. Step 2: Convert to fraction form
    89,614.89/123,663.11 = 51,881.85/x
  3. Step 3: Cross multiply
    89,614.89x = 123,663.11 × 51,881.85
  4. Step 4: Simplify right side
    89,614.89x = 6,415,870,664.14
  5. Step 5: Solve for x
    x = 6,415,870,664.14/89,614.89
  6. Step 6: Final answer
    x = 71,593.80

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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.