Home / 57,204.93-78,855.31-40,161.36

Finding the Fourth Proportional to 57,204.93, 78,855.31 and 40,161.36

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Solution

The fourth proportional to 57,204.93, 78,855.31 and 40,161.36 is: 55,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,204.93 : 78,855.31 = 40,161.36 : x
  2. Step 2: Convert to fraction form
    57,204.93/78,855.31 = 40,161.36/x
  3. Step 3: Cross multiply
    57,204.93x = 78,855.31 × 40,161.36
  4. Step 4: Simplify right side
    57,204.93x = 3,166,936,492.82
  5. Step 5: Solve for x
    x = 3,166,936,492.82/57,204.93
  6. Step 6: Final answer
    x = 55,361.25

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