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Finding the Fourth Proportional to 93,003.21, 128,338.95 and 50,561.37

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Solution

The fourth proportional to 93,003.21, 128,338.95 and 50,561.37 is: 69,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,003.21 : 128,338.95 = 50,561.37 : x
  2. Step 2: Convert to fraction form
    93,003.21/128,338.95 = 50,561.37/x
  3. Step 3: Cross multiply
    93,003.21x = 128,338.95 × 50,561.37
  4. Step 4: Simplify right side
    93,003.21x = 6,488,993,136.36
  5. Step 5: Solve for x
    x = 6,488,993,136.36/93,003.21
  6. Step 6: Final answer
    x = 69,771.71

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