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Finding the Fourth Proportional to 93,022.79, 128,326.32 and 55,270.31

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Solution

The fourth proportional to 93,022.79, 128,326.32 and 55,270.31 is: 76,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,022.79 : 128,326.32 = 55,270.31 : x
  2. Step 2: Convert to fraction form
    93,022.79/128,326.32 = 55,270.31/x
  3. Step 3: Cross multiply
    93,022.79x = 128,326.32 × 55,270.31
  4. Step 4: Simplify right side
    93,022.79x = 7,092,634,845.93
  5. Step 5: Solve for x
    x = 7,092,634,845.93/93,022.79
  6. Step 6: Final answer
    x = 76,246.21

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