Home / 67,728.20-101,304.30-60,758.60

Finding the Fourth Proportional to 67,728.20, 101,304.30 and 60,758.60

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Solution

The fourth proportional to 67,728.20, 101,304.30 and 60,758.60 is: 90,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,728.20 : 101,304.30 = 60,758.60 : x
  2. Step 2: Convert to fraction form
    67,728.20/101,304.30 = 60,758.60/x
  3. Step 3: Cross multiply
    67,728.20x = 101,304.30 × 60,758.60
  4. Step 4: Simplify right side
    67,728.20x = 6,155,107,441.98
  5. Step 5: Solve for x
    x = 6,155,107,441.98/67,728.20
  6. Step 6: Final answer
    x = 90,879.54

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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.