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Finding the Fourth Proportional to 79,316.16, 109,459.36 and 43,507.68

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Solution

The fourth proportional to 79,316.16, 109,459.36 and 43,507.68 is: 60,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.16 : 109,459.36 = 43,507.68 : x
  2. Step 2: Convert to fraction form
    79,316.16/109,459.36 = 43,507.68/x
  3. Step 3: Cross multiply
    79,316.16x = 109,459.36 × 43,507.68
  4. Step 4: Simplify right side
    79,316.16x = 4,762,322,260.59
  5. Step 5: Solve for x
    x = 4,762,322,260.59/79,316.16
  6. Step 6: Final answer
    x = 60,042.27

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