Home / 68,912.32-103,369.92-26,795.20

Finding the Fourth Proportional to 68,912.32, 103,369.92 and 26,795.20

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Solution

The fourth proportional to 68,912.32, 103,369.92 and 26,795.20 is: 40,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912.32 : 103,369.92 = 26,795.20 : x
  2. Step 2: Convert to fraction form
    68,912.32/103,369.92 = 26,795.20/x
  3. Step 3: Cross multiply
    68,912.32x = 103,369.92 × 26,795.20
  4. Step 4: Simplify right side
    68,912.32x = 2,769,817,680.38
  5. Step 5: Solve for x
    x = 2,769,817,680.38/68,912.32
  6. Step 6: Final answer
    x = 40,193.36

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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.