Home / 74,027.52-111,040.56-21,436.56

Finding the Fourth Proportional to 74,027.52, 111,040.56 and 21,436.56

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Solution

The fourth proportional to 74,027.52, 111,040.56 and 21,436.56 is: 32,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027.52 : 111,040.56 = 21,436.56 : x
  2. Step 2: Convert to fraction form
    74,027.52/111,040.56 = 21,436.56/x
  3. Step 3: Cross multiply
    74,027.52x = 111,040.56 × 21,436.56
  4. Step 4: Simplify right side
    74,027.52x = 2,380,327,626.87
  5. Step 5: Solve for x
    x = 2,380,327,626.87/74,027.52
  6. Step 6: Final answer
    x = 32,154.63

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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.