Home / 69,376.11-103,995.72-27,229.79

Finding the Fourth Proportional to 69,376.11, 103,995.72 and 27,229.79

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Solution

The fourth proportional to 69,376.11, 103,995.72 and 27,229.79 is: 40,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,376.11 : 103,995.72 = 27,229.79 : x
  2. Step 2: Convert to fraction form
    69,376.11/103,995.72 = 27,229.79/x
  3. Step 3: Cross multiply
    69,376.11x = 103,995.72 × 27,229.79
  4. Step 4: Simplify right side
    69,376.11x = 2,831,781,096.52
  5. Step 5: Solve for x
    x = 2,831,781,096.52/69,376.11
  6. Step 6: Final answer
    x = 40,817.81

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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.