Home / 68,724.72-103,100.04-27,174.96

Finding the Fourth Proportional to 68,724.72, 103,100.04 and 27,174.96

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Solution

The fourth proportional to 68,724.72, 103,100.04 and 27,174.96 is: 40,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724.72 : 103,100.04 = 27,174.96 : x
  2. Step 2: Convert to fraction form
    68,724.72/103,100.04 = 27,174.96/x
  3. Step 3: Cross multiply
    68,724.72x = 103,100.04 × 27,174.96
  4. Step 4: Simplify right side
    68,724.72x = 2,801,739,463.00
  5. Step 5: Solve for x
    x = 2,801,739,463.00/68,724.72
  6. Step 6: Final answer
    x = 40,767.56

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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.