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Finding the Fourth Proportional to 73,910.85, 110,893.81 and 44,349.90

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Solution

The fourth proportional to 73,910.85, 110,893.81 and 44,349.90 is: 66,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,910.85 : 110,893.81 = 44,349.90 : x
  2. Step 2: Convert to fraction form
    73,910.85/110,893.81 = 44,349.90/x
  3. Step 3: Cross multiply
    73,910.85x = 110,893.81 × 44,349.90
  4. Step 4: Simplify right side
    73,910.85x = 4,918,129,384.12
  5. Step 5: Solve for x
    x = 4,918,129,384.12/73,910.85
  6. Step 6: Final answer
    x = 66,541.37

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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.