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Finding the Fourth Proportional to 89,951.61, 124,133.41 and 49,665.45

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Solution

The fourth proportional to 89,951.61, 124,133.41 and 49,665.45 is: 68,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,951.61 : 124,133.41 = 49,665.45 : x
  2. Step 2: Convert to fraction form
    89,951.61/124,133.41 = 49,665.45/x
  3. Step 3: Cross multiply
    89,951.61x = 124,133.41 × 49,665.45
  4. Step 4: Simplify right side
    89,951.61x = 6,165,142,195.27
  5. Step 5: Solve for x
    x = 6,165,142,195.27/89,951.61
  6. Step 6: Final answer
    x = 68,538.43

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