Home / 92,540.50-138,789.18-25,987.05

Finding the Fourth Proportional to 92,540.50, 138,789.18 and 25,987.05

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Solution

The fourth proportional to 92,540.50, 138,789.18 and 25,987.05 is: 38,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.50 : 138,789.18 = 25,987.05 : x
  2. Step 2: Convert to fraction form
    92,540.50/138,789.18 = 25,987.05/x
  3. Step 3: Cross multiply
    92,540.50x = 138,789.18 × 25,987.05
  4. Step 4: Simplify right side
    92,540.50x = 3,606,721,360.12
  5. Step 5: Solve for x
    x = 3,606,721,360.12/92,540.50
  6. Step 6: Final answer
    x = 38,974.52

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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.