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Finding the Fourth Proportional to 77,280.60, 115,937.70 and 44,016.60

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Solution

The fourth proportional to 77,280.60, 115,937.70 and 44,016.60 is: 66,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,280.60 : 115,937.70 = 44,016.60 : x
  2. Step 2: Convert to fraction form
    77,280.60/115,937.70 = 44,016.60/x
  3. Step 3: Cross multiply
    77,280.60x = 115,937.70 × 44,016.60
  4. Step 4: Simplify right side
    77,280.60x = 5,103,183,365.82
  5. Step 5: Solve for x
    x = 5,103,183,365.82/77,280.60
  6. Step 6: Final answer
    x = 66,034.47

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