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Finding the Fourth Proportional to 84,859.17, 117,089.08 and 48,571.72

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Solution

The fourth proportional to 84,859.17, 117,089.08 and 48,571.72 is: 67,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,859.17 : 117,089.08 = 48,571.72 : x
  2. Step 2: Convert to fraction form
    84,859.17/117,089.08 = 48,571.72/x
  3. Step 3: Cross multiply
    84,859.17x = 117,089.08 × 48,571.72
  4. Step 4: Simplify right side
    84,859.17x = 5,687,217,776.81
  5. Step 5: Solve for x
    x = 5,687,217,776.81/84,859.17
  6. Step 6: Final answer
    x = 67,019.48

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