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Finding the Fourth Proportional to 92,805.95, 128,072.31 and 50,364.48

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Solution

The fourth proportional to 92,805.95, 128,072.31 and 50,364.48 is: 69,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.95 : 128,072.31 = 50,364.48 : x
  2. Step 2: Convert to fraction form
    92,805.95/128,072.31 = 50,364.48/x
  3. Step 3: Cross multiply
    92,805.95x = 128,072.31 × 50,364.48
  4. Step 4: Simplify right side
    92,805.95x = 6,450,296,011.90
  5. Step 5: Solve for x
    x = 6,450,296,011.90/92,805.95
  6. Step 6: Final answer
    x = 69,503.04

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