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Finding the Fourth Proportional to 53,999.10, 80,998.65 and 50,715.90

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Solution

The fourth proportional to 53,999.10, 80,998.65 and 50,715.90 is: 76,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.10 : 80,998.65 = 50,715.90 : x
  2. Step 2: Convert to fraction form
    53,999.10/80,998.65 = 50,715.90/x
  3. Step 3: Cross multiply
    53,999.10x = 80,998.65 × 50,715.90
  4. Step 4: Simplify right side
    53,999.10x = 4,107,919,433.54
  5. Step 5: Solve for x
    x = 4,107,919,433.54/53,999.10
  6. Step 6: Final answer
    x = 76,073.85

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