Home / 66,467.20-91,724.38-36,251.96

Finding the Fourth Proportional to 66,467.20, 91,724.38 and 36,251.96

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Solution

The fourth proportional to 66,467.20, 91,724.38 and 36,251.96 is: 50,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.20 : 91,724.38 = 36,251.96 : x
  2. Step 2: Convert to fraction form
    66,467.20/91,724.38 = 36,251.96/x
  3. Step 3: Cross multiply
    66,467.20x = 91,724.38 × 36,251.96
  4. Step 4: Simplify right side
    66,467.20x = 3,325,188,554.78
  5. Step 5: Solve for x
    x = 3,325,188,554.78/66,467.20
  6. Step 6: Final answer
    x = 50,027.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.