Home / 71,191.85-106,735.07-43,105.31

Finding the Fourth Proportional to 71,191.85, 106,735.07 and 43,105.31

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Solution

The fourth proportional to 71,191.85, 106,735.07 and 43,105.31 is: 64,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,191.85 : 106,735.07 = 43,105.31 : x
  2. Step 2: Convert to fraction form
    71,191.85/106,735.07 = 43,105.31/x
  3. Step 3: Cross multiply
    71,191.85x = 106,735.07 × 43,105.31
  4. Step 4: Simplify right side
    71,191.85x = 4,600,847,854.31
  5. Step 5: Solve for x
    x = 4,600,847,854.31/71,191.85
  6. Step 6: Final answer
    x = 64,626.04

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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.