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Finding the Fourth Proportional to 93,318.86, 128,781.42 and 50,878.10

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Solution

The fourth proportional to 93,318.86, 128,781.42 and 50,878.10 is: 70,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,318.86 : 128,781.42 = 50,878.10 : x
  2. Step 2: Convert to fraction form
    93,318.86/128,781.42 = 50,878.10/x
  3. Step 3: Cross multiply
    93,318.86x = 128,781.42 × 50,878.10
  4. Step 4: Simplify right side
    93,318.86x = 6,552,153,964.90
  5. Step 5: Solve for x
    x = 6,552,153,964.90/93,318.86
  6. Step 6: Final answer
    x = 70,212.54

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