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Finding the Fourth Proportional to 97,321.67, 134,328.37 and 54,904.80

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Solution

The fourth proportional to 97,321.67, 134,328.37 and 54,904.80 is: 75,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321.67 : 134,328.37 = 54,904.80 : x
  2. Step 2: Convert to fraction form
    97,321.67/134,328.37 = 54,904.80/x
  3. Step 3: Cross multiply
    97,321.67x = 134,328.37 × 54,904.80
  4. Step 4: Simplify right side
    97,321.67x = 7,375,272,289.18
  5. Step 5: Solve for x
    x = 7,375,272,289.18/97,321.67
  6. Step 6: Final answer
    x = 75,782.43

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