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Finding the Fourth Proportional to 89,503.74, 123,505.59 and 51,770.94

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Solution

The fourth proportional to 89,503.74, 123,505.59 and 51,770.94 is: 71,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.74 : 123,505.59 = 51,770.94 : x
  2. Step 2: Convert to fraction form
    89,503.74/123,505.59 = 51,770.94/x
  3. Step 3: Cross multiply
    89,503.74x = 123,505.59 × 51,770.94
  4. Step 4: Simplify right side
    89,503.74x = 6,394,000,489.55
  5. Step 5: Solve for x
    x = 6,394,000,489.55/89,503.74
  6. Step 6: Final answer
    x = 71,438.36

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