Home / 87,912.09-131,888.88-28,747.53

Finding the Fourth Proportional to 87,912.09, 131,888.88 and 28,747.53

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Solution

The fourth proportional to 87,912.09, 131,888.88 and 28,747.53 is: 43,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912.09 : 131,888.88 = 28,747.53 : x
  2. Step 2: Convert to fraction form
    87,912.09/131,888.88 = 28,747.53/x
  3. Step 3: Cross multiply
    87,912.09x = 131,888.88 × 28,747.53
  4. Step 4: Simplify right side
    87,912.09x = 3,791,479,534.47
  5. Step 5: Solve for x
    x = 3,791,479,534.47/87,912.09
  6. Step 6: Final answer
    x = 43,128.08

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