Home / 72,260.42-108,344.38-34,745.78

Finding the Fourth Proportional to 72,260.42, 108,344.38 and 34,745.78

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Solution

The fourth proportional to 72,260.42, 108,344.38 and 34,745.78 is: 52,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,260.42 : 108,344.38 = 34,745.78 : x
  2. Step 2: Convert to fraction form
    72,260.42/108,344.38 = 34,745.78/x
  3. Step 3: Cross multiply
    72,260.42x = 108,344.38 × 34,745.78
  4. Step 4: Simplify right side
    72,260.42x = 3,764,509,991.72
  5. Step 5: Solve for x
    x = 3,764,509,991.72/72,260.42
  6. Step 6: Final answer
    x = 52,096.43

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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.