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Finding the Fourth Proportional to 79,390.41, 109,558.35 and 43,581.03

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Solution

The fourth proportional to 79,390.41, 109,558.35 and 43,581.03 is: 60,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.41 : 109,558.35 = 43,581.03 : x
  2. Step 2: Convert to fraction form
    79,390.41/109,558.35 = 43,581.03/x
  3. Step 3: Cross multiply
    79,390.41x = 109,558.35 × 43,581.03
  4. Step 4: Simplify right side
    79,390.41x = 4,774,665,738.10
  5. Step 5: Solve for x
    x = 4,774,665,738.10/79,390.41
  6. Step 6: Final answer
    x = 60,141.59

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