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Finding the Fourth Proportional to 89,983.98, 124,178.84 and 49,698.76

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Solution

The fourth proportional to 89,983.98, 124,178.84 and 49,698.76 is: 68,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.98 : 124,178.84 = 49,698.76 : x
  2. Step 2: Convert to fraction form
    89,983.98/124,178.84 = 49,698.76/x
  3. Step 3: Cross multiply
    89,983.98x = 124,178.84 × 49,698.76
  4. Step 4: Simplify right side
    89,983.98x = 6,171,534,366.24
  5. Step 5: Solve for x
    x = 6,171,534,366.24/89,983.98
  6. Step 6: Final answer
    x = 68,584.81

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