Home / 108,266.22-162,392.85-29,378.70

Finding the Fourth Proportional to 108,266.22, 162,392.85 and 29,378.70

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Solution

The fourth proportional to 108,266.22, 162,392.85 and 29,378.70 is: 44,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,266.22 : 162,392.85 = 29,378.70 : x
  2. Step 2: Convert to fraction form
    108,266.22/162,392.85 = 29,378.70/x
  3. Step 3: Cross multiply
    108,266.22x = 162,392.85 × 29,378.70
  4. Step 4: Simplify right side
    108,266.22x = 4,770,890,822.30
  5. Step 5: Solve for x
    x = 4,770,890,822.30/108,266.22
  6. Step 6: Final answer
    x = 44,066.29

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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.