Home / 107,848.20-161,772.30-65,857.80

Finding the Fourth Proportional to 107,848.20, 161,772.30 and 65,857.80

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Solution

The fourth proportional to 107,848.20, 161,772.30 and 65,857.80 is: 98,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,848.20 : 161,772.30 = 65,857.80 : x
  2. Step 2: Convert to fraction form
    107,848.20/161,772.30 = 65,857.80/x
  3. Step 3: Cross multiply
    107,848.20x = 161,772.30 × 65,857.80
  4. Step 4: Simplify right side
    107,848.20x = 10,653,967,778.94
  5. Step 5: Solve for x
    x = 10,653,967,778.94/107,848.20
  6. Step 6: Final answer
    x = 98,786.70

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