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Finding the Fourth Proportional to 96,839.76, 133,624.32 and 54,390.16

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Solution

The fourth proportional to 96,839.76, 133,624.32 and 54,390.16 is: 75,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,839.76 : 133,624.32 = 54,390.16 : x
  2. Step 2: Convert to fraction form
    96,839.76/133,624.32 = 54,390.16/x
  3. Step 3: Cross multiply
    96,839.76x = 133,624.32 × 54,390.16
  4. Step 4: Simplify right side
    96,839.76x = 7,267,848,144.69
  5. Step 5: Solve for x
    x = 7,267,848,144.69/96,839.76
  6. Step 6: Final answer
    x = 75,050.25

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