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Finding the Fourth Proportional to 74,701.92, 112,123.20 and 49,759.56

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Solution

The fourth proportional to 74,701.92, 112,123.20 and 49,759.56 is: 74,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,701.92 : 112,123.20 = 49,759.56 : x
  2. Step 2: Convert to fraction form
    74,701.92/112,123.20 = 49,759.56/x
  3. Step 3: Cross multiply
    74,701.92x = 112,123.20 × 49,759.56
  4. Step 4: Simplify right side
    74,701.92x = 5,579,201,097.79
  5. Step 5: Solve for x
    x = 5,579,201,097.79/74,701.92
  6. Step 6: Final answer
    x = 74,686.18

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