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Finding the Fourth Proportional to 73,143.66, 109,706.08 and 31,040.88

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Solution

The fourth proportional to 73,143.66, 109,706.08 and 31,040.88 is: 46,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,143.66 : 109,706.08 = 31,040.88 : x
  2. Step 2: Convert to fraction form
    73,143.66/109,706.08 = 31,040.88/x
  3. Step 3: Cross multiply
    73,143.66x = 109,706.08 × 31,040.88
  4. Step 4: Simplify right side
    73,143.66x = 3,405,373,264.55
  5. Step 5: Solve for x
    x = 3,405,373,264.55/73,143.66
  6. Step 6: Final answer
    x = 46,557.33

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