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Finding the Fourth Proportional to 73,908, 101,993.04 and 40,374

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Solution

The fourth proportional to 73,908, 101,993.04 and 40,374 is: 55,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,908 : 101,993.04 = 40,374 : x
  2. Step 2: Convert to fraction form
    73,908/101,993.04 = 40,374/x
  3. Step 3: Cross multiply
    73,908x = 101,993.04 × 40,374
  4. Step 4: Simplify right side
    73,908x = 4,117,866,996.96
  5. Step 5: Solve for x
    x = 4,117,866,996.96/73,908
  6. Step 6: Final answer
    x = 55,716.12

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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.