Home / 83,987.11-115,850.10-49,972.60

Finding the Fourth Proportional to 83,987.11, 115,850.10 and 49,972.60

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Solution

The fourth proportional to 83,987.11, 115,850.10 and 49,972.60 is: 68,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,987.11 : 115,850.10 = 49,972.60 : x
  2. Step 2: Convert to fraction form
    83,987.11/115,850.10 = 49,972.60/x
  3. Step 3: Cross multiply
    83,987.11x = 115,850.10 × 49,972.60
  4. Step 4: Simplify right side
    83,987.11x = 5,789,330,707.26
  5. Step 5: Solve for x
    x = 5,789,330,707.26/83,987.11
  6. Step 6: Final answer
    x = 68,931.18

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