Home / 89,449.75-123,441.42-49,164.45

Finding the Fourth Proportional to 89,449.75, 123,441.42 and 49,164.45

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Solution

The fourth proportional to 89,449.75, 123,441.42 and 49,164.45 is: 67,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,449.75 : 123,441.42 = 49,164.45 : x
  2. Step 2: Convert to fraction form
    89,449.75/123,441.42 = 49,164.45/x
  3. Step 3: Cross multiply
    89,449.75x = 123,441.42 × 49,164.45
  4. Step 4: Simplify right side
    89,449.75x = 6,068,928,658.49
  5. Step 5: Solve for x
    x = 6,068,928,658.49/89,449.75
  6. Step 6: Final answer
    x = 67,847.36

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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.