Home / 74,220.56-111,358.20-34,790.48

Finding the Fourth Proportional to 74,220.56, 111,358.20 and 34,790.48

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Solution

The fourth proportional to 74,220.56, 111,358.20 and 34,790.48 is: 52,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220.56 : 111,358.20 = 34,790.48 : x
  2. Step 2: Convert to fraction form
    74,220.56/111,358.20 = 34,790.48/x
  3. Step 3: Cross multiply
    74,220.56x = 111,358.20 × 34,790.48
  4. Step 4: Simplify right side
    74,220.56x = 3,874,205,229.94
  5. Step 5: Solve for x
    x = 3,874,205,229.94/74,220.56
  6. Step 6: Final answer
    x = 52,198.54

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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.