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Finding the Fourth Proportional to 74,554.83, 102,768.95 and 50,639.99

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Solution

The fourth proportional to 74,554.83, 102,768.95 and 50,639.99 is: 69,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.83 : 102,768.95 = 50,639.99 : x
  2. Step 2: Convert to fraction form
    74,554.83/102,768.95 = 50,639.99/x
  3. Step 3: Cross multiply
    74,554.83x = 102,768.95 × 50,639.99
  4. Step 4: Simplify right side
    74,554.83x = 5,204,218,213.07
  5. Step 5: Solve for x
    x = 5,204,218,213.07/74,554.83
  6. Step 6: Final answer
    x = 69,803.90

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