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Finding the Fourth Proportional to 66,034.32, 91,105.20 and 37,719.96

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Solution

The fourth proportional to 66,034.32, 91,105.20 and 37,719.96 is: 52,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,034.32 : 91,105.20 = 37,719.96 : x
  2. Step 2: Convert to fraction form
    66,034.32/91,105.20 = 37,719.96/x
  3. Step 3: Cross multiply
    66,034.32x = 91,105.20 × 37,719.96
  4. Step 4: Simplify right side
    66,034.32x = 3,436,484,499.79
  5. Step 5: Solve for x
    x = 3,436,484,499.79/66,034.32
  6. Step 6: Final answer
    x = 52,040.89

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