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Finding the Fourth Proportional to 96,443.64, 133,087.60 and 53,420.23

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Solution

The fourth proportional to 96,443.64, 133,087.60 and 53,420.23 is: 73,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,443.64 : 133,087.60 = 53,420.23 : x
  2. Step 2: Convert to fraction form
    96,443.64/133,087.60 = 53,420.23/x
  3. Step 3: Cross multiply
    96,443.64x = 133,087.60 × 53,420.23
  4. Step 4: Simplify right side
    96,443.64x = 7,109,570,202.15
  5. Step 5: Solve for x
    x = 7,109,570,202.15/96,443.64
  6. Step 6: Final answer
    x = 73,717.36

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