Home / 92,445.66-138,689.22-29,269.55

Finding the Fourth Proportional to 92,445.66, 138,689.22 and 29,269.55

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Solution

The fourth proportional to 92,445.66, 138,689.22 and 29,269.55 is: 43,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,445.66 : 138,689.22 = 29,269.55 : x
  2. Step 2: Convert to fraction form
    92,445.66/138,689.22 = 29,269.55/x
  3. Step 3: Cross multiply
    92,445.66x = 138,689.22 × 29,269.55
  4. Step 4: Simplify right side
    92,445.66x = 4,059,370,365.80
  5. Step 5: Solve for x
    x = 4,059,370,365.80/92,445.66
  6. Step 6: Final answer
    x = 43,910.88

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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.