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Finding the Fourth Proportional to 74,630.50, 111,863.09 and 30,244.12

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Solution

The fourth proportional to 74,630.50, 111,863.09 and 30,244.12 is: 45,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,630.50 : 111,863.09 = 30,244.12 : x
  2. Step 2: Convert to fraction form
    74,630.50/111,863.09 = 30,244.12/x
  3. Step 3: Cross multiply
    74,630.50x = 111,863.09 × 30,244.12
  4. Step 4: Simplify right side
    74,630.50x = 3,383,200,513.48
  5. Step 5: Solve for x
    x = 3,383,200,513.48/74,630.50
  6. Step 6: Final answer
    x = 45,332.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.