Home / 74,180.75-111,149.42-31,452.03

Finding the Fourth Proportional to 74,180.75, 111,149.42 and 31,452.03

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Solution

The fourth proportional to 74,180.75, 111,149.42 and 31,452.03 is: 47,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,180.75 : 111,149.42 = 31,452.03 : x
  2. Step 2: Convert to fraction form
    74,180.75/111,149.42 = 31,452.03/x
  3. Step 3: Cross multiply
    74,180.75x = 111,149.42 × 31,452.03
  4. Step 4: Simplify right side
    74,180.75x = 3,495,874,735.06
  5. Step 5: Solve for x
    x = 3,495,874,735.06/74,180.75
  6. Step 6: Final answer
    x = 47,126.44

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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.