Home / 87,889.23-121,286.61-47,602.08

Finding the Fourth Proportional to 87,889.23, 121,286.61 and 47,602.08

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Solution

The fourth proportional to 87,889.23, 121,286.61 and 47,602.08 is: 65,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,889.23 : 121,286.61 = 47,602.08 : x
  2. Step 2: Convert to fraction form
    87,889.23/121,286.61 = 47,602.08/x
  3. Step 3: Cross multiply
    87,889.23x = 121,286.61 × 47,602.08
  4. Step 4: Simplify right side
    87,889.23x = 5,773,494,912.15
  5. Step 5: Solve for x
    x = 5,773,494,912.15/87,889.23
  6. Step 6: Final answer
    x = 65,690.58

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