Home / 107,967.20-161,732.10-61,165.40

Finding the Fourth Proportional to 107,967.20, 161,732.10 and 61,165.40

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Solution

The fourth proportional to 107,967.20, 161,732.10 and 61,165.40 is: 91,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,967.20 : 161,732.10 = 61,165.40 : x
  2. Step 2: Convert to fraction form
    107,967.20/161,732.10 = 61,165.40/x
  3. Step 3: Cross multiply
    107,967.20x = 161,732.10 × 61,165.40
  4. Step 4: Simplify right side
    107,967.20x = 9,892,408,589.34
  5. Step 5: Solve for x
    x = 9,892,408,589.34/107,967.20
  6. Step 6: Final answer
    x = 91,624.20

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