Home / 66,832.56-100,179.72-31,745.52

Finding the Fourth Proportional to 66,832.56, 100,179.72 and 31,745.52

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Solution

The fourth proportional to 66,832.56, 100,179.72 and 31,745.52 is: 47,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,832.56 : 100,179.72 = 31,745.52 : x
  2. Step 2: Convert to fraction form
    66,832.56/100,179.72 = 31,745.52/x
  3. Step 3: Cross multiply
    66,832.56x = 100,179.72 × 31,745.52
  4. Step 4: Simplify right side
    66,832.56x = 3,180,257,304.85
  5. Step 5: Solve for x
    x = 3,180,257,304.85/66,832.56
  6. Step 6: Final answer
    x = 47,585.45

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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.