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Finding the Fourth Proportional to 93,159.09, 128,537.69 and 52,863.75

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Solution

The fourth proportional to 93,159.09, 128,537.69 and 52,863.75 is: 72,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,159.09 : 128,537.69 = 52,863.75 : x
  2. Step 2: Convert to fraction form
    93,159.09/128,537.69 = 52,863.75/x
  3. Step 3: Cross multiply
    93,159.09x = 128,537.69 × 52,863.75
  4. Step 4: Simplify right side
    93,159.09x = 6,794,984,045.42
  5. Step 5: Solve for x
    x = 6,794,984,045.42/93,159.09
  6. Step 6: Final answer
    x = 72,939.57

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