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Finding the Fourth Proportional to 75,310.32, 103,929.04 and 41,318.88

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Solution

The fourth proportional to 75,310.32, 103,929.04 and 41,318.88 is: 57,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.32 : 103,929.04 = 41,318.88 : x
  2. Step 2: Convert to fraction form
    75,310.32/103,929.04 = 41,318.88/x
  3. Step 3: Cross multiply
    75,310.32x = 103,929.04 × 41,318.88
  4. Step 4: Simplify right side
    75,310.32x = 4,294,231,532.28
  5. Step 5: Solve for x
    x = 4,294,231,532.28/75,310.32
  6. Step 6: Final answer
    x = 57,020.49

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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.