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Finding the Fourth Proportional to 80,731.93, 111,425.48 and 53,459.94

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Solution

The fourth proportional to 80,731.93, 111,425.48 and 53,459.94 is: 73,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,731.93 : 111,425.48 = 53,459.94 : x
  2. Step 2: Convert to fraction form
    80,731.93/111,425.48 = 53,459.94/x
  3. Step 3: Cross multiply
    80,731.93x = 111,425.48 × 53,459.94
  4. Step 4: Simplify right side
    80,731.93x = 5,956,799,207.97
  5. Step 5: Solve for x
    x = 5,956,799,207.97/80,731.93
  6. Step 6: Final answer
    x = 73,784.93

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