Home / 70,110.38-104,997.92-40,438.26

Finding the Fourth Proportional to 70,110.38, 104,997.92 and 40,438.26

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Solution

The fourth proportional to 70,110.38, 104,997.92 and 40,438.26 is: 60,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110.38 : 104,997.92 = 40,438.26 : x
  2. Step 2: Convert to fraction form
    70,110.38/104,997.92 = 40,438.26/x
  3. Step 3: Cross multiply
    70,110.38x = 104,997.92 × 40,438.26
  4. Step 4: Simplify right side
    70,110.38x = 4,245,933,188.42
  5. Step 5: Solve for x
    x = 4,245,933,188.42/70,110.38
  6. Step 6: Final answer
    x = 60,560.69

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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.