Home / 108,288.36-162,389.52-41,691.60

Finding the Fourth Proportional to 108,288.36, 162,389.52 and 41,691.60

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Solution

The fourth proportional to 108,288.36, 162,389.52 and 41,691.60 is: 62,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,288.36 : 162,389.52 = 41,691.60 : x
  2. Step 2: Convert to fraction form
    108,288.36/162,389.52 = 41,691.60/x
  3. Step 3: Cross multiply
    108,288.36x = 162,389.52 × 41,691.60
  4. Step 4: Simplify right side
    108,288.36x = 6,770,278,912.03
  5. Step 5: Solve for x
    x = 6,770,278,912.03/108,288.36
  6. Step 6: Final answer
    x = 62,520.84

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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.