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Finding the Fourth Proportional to 79,530.21, 109,751.76 and 43,720.83

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Solution

The fourth proportional to 79,530.21, 109,751.76 and 43,720.83 is: 60,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530.21 : 109,751.76 = 43,720.83 : x
  2. Step 2: Convert to fraction form
    79,530.21/109,751.76 = 43,720.83/x
  3. Step 3: Cross multiply
    79,530.21x = 109,751.76 × 43,720.83
  4. Step 4: Simplify right side
    79,530.21x = 4,798,438,041.16
  5. Step 5: Solve for x
    x = 4,798,438,041.16/79,530.21
  6. Step 6: Final answer
    x = 60,334.78

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