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Finding the Fourth Proportional to 75,142, 103,699.20 and 41,608

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Solution

The fourth proportional to 75,142, 103,699.20 and 41,608 is: 57,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142 : 103,699.20 = 41,608 : x
  2. Step 2: Convert to fraction form
    75,142/103,699.20 = 41,608/x
  3. Step 3: Cross multiply
    75,142x = 103,699.20 × 41,608
  4. Step 4: Simplify right side
    75,142x = 4,314,716,313.60
  5. Step 5: Solve for x
    x = 4,314,716,313.60/75,142
  6. Step 6: Final answer
    x = 57,420.83

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