Home / 55,765.20-83,647.80-51,272.40

Finding the Fourth Proportional to 55,765.20, 83,647.80 and 51,272.40

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Solution

The fourth proportional to 55,765.20, 83,647.80 and 51,272.40 is: 76,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.20 : 83,647.80 = 51,272.40 : x
  2. Step 2: Convert to fraction form
    55,765.20/83,647.80 = 51,272.40/x
  3. Step 3: Cross multiply
    55,765.20x = 83,647.80 × 51,272.40
  4. Step 4: Simplify right side
    55,765.20x = 4,288,823,460.72
  5. Step 5: Solve for x
    x = 4,288,823,460.72/55,765.20
  6. Step 6: Final answer
    x = 76,908.60

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