Home / 74,219.56-111,356.70-34,789.48

Finding the Fourth Proportional to 74,219.56, 111,356.70 and 34,789.48

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Solution

The fourth proportional to 74,219.56, 111,356.70 and 34,789.48 is: 52,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,219.56 : 111,356.70 = 34,789.48 : x
  2. Step 2: Convert to fraction form
    74,219.56/111,356.70 = 34,789.48/x
  3. Step 3: Cross multiply
    74,219.56x = 111,356.70 × 34,789.48
  4. Step 4: Simplify right side
    74,219.56x = 3,874,041,687.52
  5. Step 5: Solve for x
    x = 3,874,041,687.52/74,219.56
  6. Step 6: Final answer
    x = 52,197.04

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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.