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Finding the Fourth Proportional to 67,318.44, 92,899.89 and 38,630.45

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Solution

The fourth proportional to 67,318.44, 92,899.89 and 38,630.45 is: 53,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,318.44 : 92,899.89 = 38,630.45 : x
  2. Step 2: Convert to fraction form
    67,318.44/92,899.89 = 38,630.45/x
  3. Step 3: Cross multiply
    67,318.44x = 92,899.89 × 38,630.45
  4. Step 4: Simplify right side
    67,318.44x = 3,588,764,091.15
  5. Step 5: Solve for x
    x = 3,588,764,091.15/67,318.44
  6. Step 6: Final answer
    x = 53,310.27

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