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Finding the Fourth Proportional to 83,470.88, 115,190.28 and 45,231.02

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Solution

The fourth proportional to 83,470.88, 115,190.28 and 45,231.02 is: 62,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,470.88 : 115,190.28 = 45,231.02 : x
  2. Step 2: Convert to fraction form
    83,470.88/115,190.28 = 45,231.02/x
  3. Step 3: Cross multiply
    83,470.88x = 115,190.28 × 45,231.02
  4. Step 4: Simplify right side
    83,470.88x = 5,210,173,858.49
  5. Step 5: Solve for x
    x = 5,210,173,858.49/83,470.88
  6. Step 6: Final answer
    x = 62,419.06

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