Home / 92,540.46-138,810.22-22,419.78

Finding the Fourth Proportional to 92,540.46, 138,810.22 and 22,419.78

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Solution

The fourth proportional to 92,540.46, 138,810.22 and 22,419.78 is: 33,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.46 : 138,810.22 = 22,419.78 : x
  2. Step 2: Convert to fraction form
    92,540.46/138,810.22 = 22,419.78/x
  3. Step 3: Cross multiply
    92,540.46x = 138,810.22 × 22,419.78
  4. Step 4: Simplify right side
    92,540.46x = 3,112,094,594.15
  5. Step 5: Solve for x
    x = 3,112,094,594.15/92,540.46
  6. Step 6: Final answer
    x = 33,629.56

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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.