Home / 89,747.69-123,846.25-49,459.20

Finding the Fourth Proportional to 89,747.69, 123,846.25 and 49,459.20

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Solution

The fourth proportional to 89,747.69, 123,846.25 and 49,459.20 is: 68,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.69 : 123,846.25 = 49,459.20 : x
  2. Step 2: Convert to fraction form
    89,747.69/123,846.25 = 49,459.20/x
  3. Step 3: Cross multiply
    89,747.69x = 123,846.25 × 49,459.20
  4. Step 4: Simplify right side
    89,747.69x = 6,125,336,200.70
  5. Step 5: Solve for x
    x = 6,125,336,200.70/89,747.69
  6. Step 6: Final answer
    x = 68,250.63

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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.