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Finding the Fourth Proportional to 81,770.55, 112,844.43 and 45,958.47

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Solution

The fourth proportional to 81,770.55, 112,844.43 and 45,958.47 is: 63,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,770.55 : 112,844.43 = 45,958.47 : x
  2. Step 2: Convert to fraction form
    81,770.55/112,844.43 = 45,958.47/x
  3. Step 3: Cross multiply
    81,770.55x = 112,844.43 × 45,958.47
  4. Step 4: Simplify right side
    81,770.55x = 5,186,157,350.82
  5. Step 5: Solve for x
    x = 5,186,157,350.82/81,770.55
  6. Step 6: Final answer
    x = 63,423.29

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