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Finding the Fourth Proportional to 74,315.53, 102,640.61 and 48,935.35

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Solution

The fourth proportional to 74,315.53, 102,640.61 and 48,935.35 is: 67,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.53 : 102,640.61 = 48,935.35 : x
  2. Step 2: Convert to fraction form
    74,315.53/102,640.61 = 48,935.35/x
  3. Step 3: Cross multiply
    74,315.53x = 102,640.61 × 48,935.35
  4. Step 4: Simplify right side
    74,315.53x = 5,022,754,174.56
  5. Step 5: Solve for x
    x = 5,022,754,174.56/74,315.53
  6. Step 6: Final answer
    x = 67,586.87

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