Home / 71,008.13-97,991.54-39,177.97

Finding the Fourth Proportional to 71,008.13, 97,991.54 and 39,177.97

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Solution

The fourth proportional to 71,008.13, 97,991.54 and 39,177.97 is: 54,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008.13 : 97,991.54 = 39,177.97 : x
  2. Step 2: Convert to fraction form
    71,008.13/97,991.54 = 39,177.97/x
  3. Step 3: Cross multiply
    71,008.13x = 97,991.54 × 39,177.97
  4. Step 4: Simplify right side
    71,008.13x = 3,839,109,320.42
  5. Step 5: Solve for x
    x = 3,839,109,320.42/71,008.13
  6. Step 6: Final answer
    x = 54,065.77

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