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Finding the Fourth Proportional to 93,029.11, 128,389.70 and 54,800.69

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Solution

The fourth proportional to 93,029.11, 128,389.70 and 54,800.69 is: 75,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,029.11 : 128,389.70 = 54,800.69 : x
  2. Step 2: Convert to fraction form
    93,029.11/128,389.70 = 54,800.69/x
  3. Step 3: Cross multiply
    93,029.11x = 128,389.70 × 54,800.69
  4. Step 4: Simplify right side
    93,029.11x = 7,035,843,506.94
  5. Step 5: Solve for x
    x = 7,035,843,506.94/93,029.11
  6. Step 6: Final answer
    x = 75,630.56

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