Home / 105,634.20-158,449.77-25,672.76

Finding the Fourth Proportional to 105,634.20, 158,449.77 and 25,672.76

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Solution

The fourth proportional to 105,634.20, 158,449.77 and 25,672.76 is: 38,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,634.20 : 158,449.77 = 25,672.76 : x
  2. Step 2: Convert to fraction form
    105,634.20/158,449.77 = 25,672.76/x
  3. Step 3: Cross multiply
    105,634.20x = 158,449.77 × 25,672.76
  4. Step 4: Simplify right side
    105,634.20x = 4,067,842,125.02
  5. Step 5: Solve for x
    x = 4,067,842,125.02/105,634.20
  6. Step 6: Final answer
    x = 38,508.76

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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.