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Finding the Fourth Proportional to 71,794.54, 99,085.75 and 41,179.58

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Solution

The fourth proportional to 71,794.54, 99,085.75 and 41,179.58 is: 56,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,794.54 : 99,085.75 = 41,179.58 : x
  2. Step 2: Convert to fraction form
    71,794.54/99,085.75 = 41,179.58/x
  3. Step 3: Cross multiply
    71,794.54x = 99,085.75 × 41,179.58
  4. Step 4: Simplify right side
    71,794.54x = 4,080,309,573.81
  5. Step 5: Solve for x
    x = 4,080,309,573.81/71,794.54
  6. Step 6: Final answer
    x = 56,833.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.