Home / 55,184.16-76,154.30-31,310.78

Finding the Fourth Proportional to 55,184.16, 76,154.30 and 31,310.78

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Solution

The fourth proportional to 55,184.16, 76,154.30 and 31,310.78 is: 43,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184.16 : 76,154.30 = 31,310.78 : x
  2. Step 2: Convert to fraction form
    55,184.16/76,154.30 = 31,310.78/x
  3. Step 3: Cross multiply
    55,184.16x = 76,154.30 × 31,310.78
  4. Step 4: Simplify right side
    55,184.16x = 2,384,450,415.69
  5. Step 5: Solve for x
    x = 2,384,450,415.69/55,184.16
  6. Step 6: Final answer
    x = 43,208.96

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