Home / 61,540.38-92,327.10-19,422.09

Finding the Fourth Proportional to 61,540.38, 92,327.10 and 19,422.09

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Solution

The fourth proportional to 61,540.38, 92,327.10 and 19,422.09 is: 29,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,540.38 : 92,327.10 = 19,422.09 : x
  2. Step 2: Convert to fraction form
    61,540.38/92,327.10 = 19,422.09/x
  3. Step 3: Cross multiply
    61,540.38x = 92,327.10 × 19,422.09
  4. Step 4: Simplify right side
    61,540.38x = 1,793,185,245.64
  5. Step 5: Solve for x
    x = 1,793,185,245.64/61,540.38
  6. Step 6: Final answer
    x = 29,138.35

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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.