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Finding the Fourth Proportional to 79,910.37, 119,834.22 and 29,963.24

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Solution

The fourth proportional to 79,910.37, 119,834.22 and 29,963.24 is: 44,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,910.37 : 119,834.22 = 29,963.24 : x
  2. Step 2: Convert to fraction form
    79,910.37/119,834.22 = 29,963.24/x
  3. Step 3: Cross multiply
    79,910.37x = 119,834.22 × 29,963.24
  4. Step 4: Simplify right side
    79,910.37x = 3,590,621,494.07
  5. Step 5: Solve for x
    x = 3,590,621,494.07/79,910.37
  6. Step 6: Final answer
    x = 44,933.11

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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.