Home / 82,579.20-123,886.08-27,168

Finding the Fourth Proportional to 82,579.20, 123,886.08 and 27,168

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Solution

The fourth proportional to 82,579.20, 123,886.08 and 27,168 is: 40,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,579.20 : 123,886.08 = 27,168 : x
  2. Step 2: Convert to fraction form
    82,579.20/123,886.08 = 27,168/x
  3. Step 3: Cross multiply
    82,579.20x = 123,886.08 × 27,168
  4. Step 4: Simplify right side
    82,579.20x = 3,365,737,021.44
  5. Step 5: Solve for x
    x = 3,365,737,021.44/82,579.20
  6. Step 6: Final answer
    x = 40,757.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.