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Finding the Fourth Proportional to 71,092.70, 106,576.56 and 29,008.22

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Solution

The fourth proportional to 71,092.70, 106,576.56 and 29,008.22 is: 43,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,092.70 : 106,576.56 = 29,008.22 : x
  2. Step 2: Convert to fraction form
    71,092.70/106,576.56 = 29,008.22/x
  3. Step 3: Cross multiply
    71,092.70x = 106,576.56 × 29,008.22
  4. Step 4: Simplify right side
    71,092.70x = 3,091,595,766.44
  5. Step 5: Solve for x
    x = 3,091,595,766.44/71,092.70
  6. Step 6: Final answer
    x = 43,486.83

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1.5x scale

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.