Home / 92,638.11-138,956.07-22,517.49

Finding the Fourth Proportional to 92,638.11, 138,956.07 and 22,517.49

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Solution

The fourth proportional to 92,638.11, 138,956.07 and 22,517.49 is: 33,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,638.11 : 138,956.07 = 22,517.49 : x
  2. Step 2: Convert to fraction form
    92,638.11/138,956.07 = 22,517.49/x
  3. Step 3: Cross multiply
    92,638.11x = 138,956.07 × 22,517.49
  4. Step 4: Simplify right side
    92,638.11x = 3,128,941,916.66
  5. Step 5: Solve for x
    x = 3,128,941,916.66/92,638.11
  6. Step 6: Final answer
    x = 33,775.97

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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.