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Finding the Fourth Proportional to 83,493.72, 115,253.82 and 49,970.52

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Solution

The fourth proportional to 83,493.72, 115,253.82 and 49,970.52 is: 68,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,493.72 : 115,253.82 = 49,970.52 : x
  2. Step 2: Convert to fraction form
    83,493.72/115,253.82 = 49,970.52/x
  3. Step 3: Cross multiply
    83,493.72x = 115,253.82 × 49,970.52
  4. Step 4: Simplify right side
    83,493.72x = 5,759,293,317.39
  5. Step 5: Solve for x
    x = 5,759,293,317.39/83,493.72
  6. Step 6: Final answer
    x = 68,978.76

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