Home / 72,585.26-108,687.81-47,546.54

Finding the Fourth Proportional to 72,585.26, 108,687.81 and 47,546.54

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Solution

The fourth proportional to 72,585.26, 108,687.81 and 47,546.54 is: 71,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,585.26 : 108,687.81 = 47,546.54 : x
  2. Step 2: Convert to fraction form
    72,585.26/108,687.81 = 47,546.54/x
  3. Step 3: Cross multiply
    72,585.26x = 108,687.81 × 47,546.54
  4. Step 4: Simplify right side
    72,585.26x = 5,167,729,305.68
  5. Step 5: Solve for x
    x = 5,167,729,305.68/72,585.26
  6. Step 6: Final answer
    x = 71,195.30

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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.