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Finding the Fourth Proportional to 68,555.56, 102,791.80 and 44,834.47

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Solution

The fourth proportional to 68,555.56, 102,791.80 and 44,834.47 is: 67,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,555.56 : 102,791.80 = 44,834.47 : x
  2. Step 2: Convert to fraction form
    68,555.56/102,791.80 = 44,834.47/x
  3. Step 3: Cross multiply
    68,555.56x = 102,791.80 × 44,834.47
  4. Step 4: Simplify right side
    68,555.56x = 4,608,615,873.35
  5. Step 5: Solve for x
    x = 4,608,615,873.35/68,555.56
  6. Step 6: Final answer
    x = 67,224.54

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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.