Home / 92,540.70-138,730.05-62,862.30

Finding the Fourth Proportional to 92,540.70, 138,730.05 and 62,862.30

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Solution

The fourth proportional to 92,540.70, 138,730.05 and 62,862.30 is: 94,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.70 : 138,730.05 = 62,862.30 : x
  2. Step 2: Convert to fraction form
    92,540.70/138,730.05 = 62,862.30/x
  3. Step 3: Cross multiply
    92,540.70x = 138,730.05 × 62,862.30
  4. Step 4: Simplify right side
    92,540.70x = 8,720,890,022.12
  5. Step 5: Solve for x
    x = 8,720,890,022.12/92,540.70
  6. Step 6: Final answer
    x = 94,238.43

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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.