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Finding the Fourth Proportional to 71,201.35, 106,749.37 and 43,114.81

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Solution

The fourth proportional to 71,201.35, 106,749.37 and 43,114.81 is: 64,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,201.35 : 106,749.37 = 43,114.81 : x
  2. Step 2: Convert to fraction form
    71,201.35/106,749.37 = 43,114.81/x
  3. Step 3: Cross multiply
    71,201.35x = 106,749.37 × 43,114.81
  4. Step 4: Simplify right side
    71,201.35x = 4,602,478,370.85
  5. Step 5: Solve for x
    x = 4,602,478,370.85/71,201.35
  6. Step 6: Final answer
    x = 64,640.32

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