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Finding the Fourth Proportional to 73,005.80, 109,739.10 and 67,476.20

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Solution

The fourth proportional to 73,005.80, 109,739.10 and 67,476.20 is: 101,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,005.80 : 109,739.10 = 67,476.20 : x
  2. Step 2: Convert to fraction form
    73,005.80/109,739.10 = 67,476.20/x
  3. Step 3: Cross multiply
    73,005.80x = 109,739.10 × 67,476.20
  4. Step 4: Simplify right side
    73,005.80x = 7,404,777,459.42
  5. Step 5: Solve for x
    x = 7,404,777,459.42/73,005.80
  6. Step 6: Final answer
    x = 101,427.25

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