Home / 75,971.44-113,997.96-31,628.80

Finding the Fourth Proportional to 75,971.44, 113,997.96 and 31,628.80

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Solution

The fourth proportional to 75,971.44, 113,997.96 and 31,628.80 is: 47,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,971.44 : 113,997.96 = 31,628.80 : x
  2. Step 2: Convert to fraction form
    75,971.44/113,997.96 = 31,628.80/x
  3. Step 3: Cross multiply
    75,971.44x = 113,997.96 × 31,628.80
  4. Step 4: Simplify right side
    75,971.44x = 3,605,618,677.25
  5. Step 5: Solve for x
    x = 3,605,618,677.25/75,971.44
  6. Step 6: Final answer
    x = 47,460.19

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