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Finding the Fourth Proportional to 93,103.68, 128,485.80 and 50,664.96

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Solution

The fourth proportional to 93,103.68, 128,485.80 and 50,664.96 is: 69,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,103.68 : 128,485.80 = 50,664.96 : x
  2. Step 2: Convert to fraction form
    93,103.68/128,485.80 = 50,664.96/x
  3. Step 3: Cross multiply
    93,103.68x = 128,485.80 × 50,664.96
  4. Step 4: Simplify right side
    93,103.68x = 6,509,727,917.57
  5. Step 5: Solve for x
    x = 6,509,727,917.57/93,103.68
  6. Step 6: Final answer
    x = 69,919.13

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