Home / 72,634.08-108,961.92-25,876.02

Finding the Fourth Proportional to 72,634.08, 108,961.92 and 25,876.02

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Solution

The fourth proportional to 72,634.08, 108,961.92 and 25,876.02 is: 38,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,634.08 : 108,961.92 = 25,876.02 : x
  2. Step 2: Convert to fraction form
    72,634.08/108,961.92 = 25,876.02/x
  3. Step 3: Cross multiply
    72,634.08x = 108,961.92 × 25,876.02
  4. Step 4: Simplify right side
    72,634.08x = 2,819,500,821.16
  5. Step 5: Solve for x
    x = 2,819,500,821.16/72,634.08
  6. Step 6: Final answer
    x = 38,817.88

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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.