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Finding the Fourth Proportional to 83,990.20, 115,906.49 and 46,264.45

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Solution

The fourth proportional to 83,990.20, 115,906.49 and 46,264.45 is: 63,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,990.20 : 115,906.49 = 46,264.45 : x
  2. Step 2: Convert to fraction form
    83,990.20/115,906.49 = 46,264.45/x
  3. Step 3: Cross multiply
    83,990.20x = 115,906.49 × 46,264.45
  4. Step 4: Simplify right side
    83,990.20x = 5,362,349,779.96
  5. Step 5: Solve for x
    x = 5,362,349,779.96/83,990.20
  6. Step 6: Final answer
    x = 63,844.95

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