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Finding the Fourth Proportional to 90,306.82, 124,622.05 and 49,470.62

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Solution

The fourth proportional to 90,306.82, 124,622.05 and 49,470.62 is: 68,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306.82 : 124,622.05 = 49,470.62 : x
  2. Step 2: Convert to fraction form
    90,306.82/124,622.05 = 49,470.62/x
  3. Step 3: Cross multiply
    90,306.82x = 124,622.05 × 49,470.62
  4. Step 4: Simplify right side
    90,306.82x = 6,165,130,079.17
  5. Step 5: Solve for x
    x = 6,165,130,079.17/90,306.82
  6. Step 6: Final answer
    x = 68,268.71

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