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Finding the Fourth Proportional to 55,933.60, 83,900.40 and 53,783.20

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Solution

The fourth proportional to 55,933.60, 83,900.40 and 53,783.20 is: 80,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.60 : 83,900.40 = 53,783.20 : x
  2. Step 2: Convert to fraction form
    55,933.60/83,900.40 = 53,783.20/x
  3. Step 3: Cross multiply
    55,933.60x = 83,900.40 × 53,783.20
  4. Step 4: Simplify right side
    55,933.60x = 4,512,431,993.28
  5. Step 5: Solve for x
    x = 4,512,431,993.28/55,933.60
  6. Step 6: Final answer
    x = 80,674.80

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