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Finding the Fourth Proportional to 83,220.61, 114,836.20 and 47,408.48

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Solution

The fourth proportional to 83,220.61, 114,836.20 and 47,408.48 is: 65,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,220.61 : 114,836.20 = 47,408.48 : x
  2. Step 2: Convert to fraction form
    83,220.61/114,836.20 = 47,408.48/x
  3. Step 3: Cross multiply
    83,220.61x = 114,836.20 × 47,408.48
  4. Step 4: Simplify right side
    83,220.61x = 5,444,209,453.93
  5. Step 5: Solve for x
    x = 5,444,209,453.93/83,220.61
  6. Step 6: Final answer
    x = 65,419.01

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