Home / 74,246.70-111,375.54-21,657.54

Finding the Fourth Proportional to 74,246.70, 111,375.54 and 21,657.54

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Solution

The fourth proportional to 74,246.70, 111,375.54 and 21,657.54 is: 32,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.70 : 111,375.54 = 21,657.54 : x
  2. Step 2: Convert to fraction form
    74,246.70/111,375.54 = 21,657.54/x
  3. Step 3: Cross multiply
    74,246.70x = 111,375.54 × 21,657.54
  4. Step 4: Simplify right side
    74,246.70x = 2,412,120,212.57
  5. Step 5: Solve for x
    x = 2,412,120,212.57/74,246.70
  6. Step 6: Final answer
    x = 32,487.91

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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.