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Finding the Fourth Proportional to 73,102.80, 109,459.80 and 46,664.40

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Solution

The fourth proportional to 73,102.80, 109,459.80 and 46,664.40 is: 69,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.80 : 109,459.80 = 46,664.40 : x
  2. Step 2: Convert to fraction form
    73,102.80/109,459.80 = 46,664.40/x
  3. Step 3: Cross multiply
    73,102.80x = 109,459.80 × 46,664.40
  4. Step 4: Simplify right side
    73,102.80x = 5,107,875,891.12
  5. Step 5: Solve for x
    x = 5,107,875,891.12/73,102.80
  6. Step 6: Final answer
    x = 69,872.51

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