Home / 89,723.40-123,816.66-49,440.90

Finding the Fourth Proportional to 89,723.40, 123,816.66 and 49,440.90

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Solution

The fourth proportional to 89,723.40, 123,816.66 and 49,440.90 is: 68,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.40 : 123,816.66 = 49,440.90 : x
  2. Step 2: Convert to fraction form
    89,723.40/123,816.66 = 49,440.90/x
  3. Step 3: Cross multiply
    89,723.40x = 123,816.66 × 49,440.90
  4. Step 4: Simplify right side
    89,723.40x = 6,121,607,105.39
  5. Step 5: Solve for x
    x = 6,121,607,105.39/89,723.40
  6. Step 6: Final answer
    x = 68,227.54

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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.