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Finding the Fourth Proportional to 95,042, 142,563 and 29,378

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Solution

The fourth proportional to 95,042, 142,563 and 29,378 is: 44,067

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,042 : 142,563 = 29,378 : x
  2. Step 2: Convert to fraction form
    95,042/142,563 = 29,378/x
  3. Step 3: Cross multiply
    95,042x = 142,563 × 29,378
  4. Step 4: Simplify right side
    95,042x = 4,188,215,814
  5. Step 5: Solve for x
    x = 4,188,215,814/95,042
  6. Step 6: Final answer
    x = 44,067

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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.