Home / 81,708.16-112,769.54-49,895.41

Finding the Fourth Proportional to 81,708.16, 112,769.54 and 49,895.41

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Solution

The fourth proportional to 81,708.16, 112,769.54 and 49,895.41 is: 68,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,708.16 : 112,769.54 = 49,895.41 : x
  2. Step 2: Convert to fraction form
    81,708.16/112,769.54 = 49,895.41/x
  3. Step 3: Cross multiply
    81,708.16x = 112,769.54 × 49,895.41
  4. Step 4: Simplify right side
    81,708.16x = 5,626,682,433.81
  5. Step 5: Solve for x
    x = 5,626,682,433.81/81,708.16
  6. Step 6: Final answer
    x = 68,863.16

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