Home / 70,769.44-106,157.94-18,179.38

Finding the Fourth Proportional to 70,769.44, 106,157.94 and 18,179.38

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Solution

The fourth proportional to 70,769.44, 106,157.94 and 18,179.38 is: 27,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,769.44 : 106,157.94 = 18,179.38 : x
  2. Step 2: Convert to fraction form
    70,769.44/106,157.94 = 18,179.38/x
  3. Step 3: Cross multiply
    70,769.44x = 106,157.94 × 18,179.38
  4. Step 4: Simplify right side
    70,769.44x = 1,929,885,531.28
  5. Step 5: Solve for x
    x = 1,929,885,531.28/70,769.44
  6. Step 6: Final answer
    x = 27,270.04

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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.