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Finding the Fourth Proportional to 83,901.36, 125,777.16 and 31,313.28

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Solution

The fourth proportional to 83,901.36, 125,777.16 and 31,313.28 is: 46,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,901.36 : 125,777.16 = 31,313.28 : x
  2. Step 2: Convert to fraction form
    83,901.36/125,777.16 = 31,313.28/x
  3. Step 3: Cross multiply
    83,901.36x = 125,777.16 × 31,313.28
  4. Step 4: Simplify right side
    83,901.36x = 3,938,495,428.68
  5. Step 5: Solve for x
    x = 3,938,495,428.68/83,901.36
  6. Step 6: Final answer
    x = 46,941.97

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