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Finding the Fourth Proportional to 66,673.80, 100,010.70 and 61,230.60

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Solution

The fourth proportional to 66,673.80, 100,010.70 and 61,230.60 is: 91,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,673.80 : 100,010.70 = 61,230.60 : x
  2. Step 2: Convert to fraction form
    66,673.80/100,010.70 = 61,230.60/x
  3. Step 3: Cross multiply
    66,673.80x = 100,010.70 × 61,230.60
  4. Step 4: Simplify right side
    66,673.80x = 6,123,715,167.42
  5. Step 5: Solve for x
    x = 6,123,715,167.42/66,673.80
  6. Step 6: Final answer
    x = 91,845.90

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