Home / 83,902.36-125,778.66-31,314.28

Finding the Fourth Proportional to 83,902.36, 125,778.66 and 31,314.28

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Solution

The fourth proportional to 83,902.36, 125,778.66 and 31,314.28 is: 46,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,902.36 : 125,778.66 = 31,314.28 : x
  2. Step 2: Convert to fraction form
    83,902.36/125,778.66 = 31,314.28/x
  3. Step 3: Cross multiply
    83,902.36x = 125,778.66 × 31,314.28
  4. Step 4: Simplify right side
    83,902.36x = 3,938,668,177.26
  5. Step 5: Solve for x
    x = 3,938,668,177.26/83,902.36
  6. Step 6: Final answer
    x = 46,943.47

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