Home / 86,865.06-119,876.31-49,138.50

Finding the Fourth Proportional to 86,865.06, 119,876.31 and 49,138.50

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Solution

The fourth proportional to 86,865.06, 119,876.31 and 49,138.50 is: 67,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865.06 : 119,876.31 = 49,138.50 : x
  2. Step 2: Convert to fraction form
    86,865.06/119,876.31 = 49,138.50/x
  3. Step 3: Cross multiply
    86,865.06x = 119,876.31 × 49,138.50
  4. Step 4: Simplify right side
    86,865.06x = 5,890,542,058.94
  5. Step 5: Solve for x
    x = 5,890,542,058.94/86,865.06
  6. Step 6: Final answer
    x = 67,812.56

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