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Finding the Fourth Proportional to 73,140.44, 109,750.35 and 31,044.20

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Solution

The fourth proportional to 73,140.44, 109,750.35 and 31,044.20 is: 46,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140.44 : 109,750.35 = 31,044.20 : x
  2. Step 2: Convert to fraction form
    73,140.44/109,750.35 = 31,044.20/x
  3. Step 3: Cross multiply
    73,140.44x = 109,750.35 × 31,044.20
  4. Step 4: Simplify right side
    73,140.44x = 3,407,111,815.47
  5. Step 5: Solve for x
    x = 3,407,111,815.47/73,140.44
  6. Step 6: Final answer
    x = 46,583.15

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