Home / 92,245.03-138,351.85-25,691.78

Finding the Fourth Proportional to 92,245.03, 138,351.85 and 25,691.78

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Solution

The fourth proportional to 92,245.03, 138,351.85 and 25,691.78 is: 38,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,245.03 : 138,351.85 = 25,691.78 : x
  2. Step 2: Convert to fraction form
    92,245.03/138,351.85 = 25,691.78/x
  3. Step 3: Cross multiply
    92,245.03x = 138,351.85 × 25,691.78
  4. Step 4: Simplify right side
    92,245.03x = 3,554,505,574.44
  5. Step 5: Solve for x
    x = 3,554,505,574.44/92,245.03
  6. Step 6: Final answer
    x = 38,533.30

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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.