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Finding the Fourth Proportional to 65,010.40, 97,299.60 and 47,190.40

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Solution

The fourth proportional to 65,010.40, 97,299.60 and 47,190.40 is: 70,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,010.40 : 97,299.60 = 47,190.40 : x
  2. Step 2: Convert to fraction form
    65,010.40/97,299.60 = 47,190.40/x
  3. Step 3: Cross multiply
    65,010.40x = 97,299.60 × 47,190.40
  4. Step 4: Simplify right side
    65,010.40x = 4,591,607,043.84
  5. Step 5: Solve for x
    x = 4,591,607,043.84/65,010.40
  6. Step 6: Final answer
    x = 70,628.81

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