Home / 69,109.92-95,343.48-40,019.04

Finding the Fourth Proportional to 69,109.92, 95,343.48 and 40,019.04

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Solution

The fourth proportional to 69,109.92, 95,343.48 and 40,019.04 is: 55,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.92 : 95,343.48 = 40,019.04 : x
  2. Step 2: Convert to fraction form
    69,109.92/95,343.48 = 40,019.04/x
  3. Step 3: Cross multiply
    69,109.92x = 95,343.48 × 40,019.04
  4. Step 4: Simplify right side
    69,109.92x = 3,815,554,539.86
  5. Step 5: Solve for x
    x = 3,815,554,539.86/69,109.92
  6. Step 6: Final answer
    x = 55,209.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.