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Finding the Fourth Proportional to 79,720.49, 110,012.95 and 43,913.83

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Solution

The fourth proportional to 79,720.49, 110,012.95 and 43,913.83 is: 60,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,720.49 : 110,012.95 = 43,913.83 : x
  2. Step 2: Convert to fraction form
    79,720.49/110,012.95 = 43,913.83/x
  3. Step 3: Cross multiply
    79,720.49x = 110,012.95 × 43,913.83
  4. Step 4: Simplify right side
    79,720.49x = 4,831,089,970.23
  5. Step 5: Solve for x
    x = 4,831,089,970.23/79,720.49
  6. Step 6: Final answer
    x = 60,600.36

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