Home / 80,541.75-111,149.10-44,735.10

Finding the Fourth Proportional to 80,541.75, 111,149.10 and 44,735.10

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Solution

The fourth proportional to 80,541.75, 111,149.10 and 44,735.10 is: 61,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,541.75 : 111,149.10 = 44,735.10 : x
  2. Step 2: Convert to fraction form
    80,541.75/111,149.10 = 44,735.10/x
  3. Step 3: Cross multiply
    80,541.75x = 111,149.10 × 44,735.10
  4. Step 4: Simplify right side
    80,541.75x = 4,972,266,103.41
  5. Step 5: Solve for x
    x = 4,972,266,103.41/80,541.75
  6. Step 6: Final answer
    x = 61,735.26

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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.