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Finding the Fourth Proportional to 79,421.16, 109,605.18 and 43,610.76

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Solution

The fourth proportional to 79,421.16, 109,605.18 and 43,610.76 is: 60,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,421.16 : 109,605.18 = 43,610.76 : x
  2. Step 2: Convert to fraction form
    79,421.16/109,605.18 = 43,610.76/x
  3. Step 3: Cross multiply
    79,421.16x = 109,605.18 × 43,610.76
  4. Step 4: Simplify right side
    79,421.16x = 4,779,965,199.74
  5. Step 5: Solve for x
    x = 4,779,965,199.74/79,421.16
  6. Step 6: Final answer
    x = 60,185.03

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