Home / 49,905.15-74,912.40-31,206.30

Finding the Fourth Proportional to 49,905.15, 74,912.40 and 31,206.30

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Solution

The fourth proportional to 49,905.15, 74,912.40 and 31,206.30 is: 46,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.15 : 74,912.40 = 31,206.30 : x
  2. Step 2: Convert to fraction form
    49,905.15/74,912.40 = 31,206.30/x
  3. Step 3: Cross multiply
    49,905.15x = 74,912.40 × 31,206.30
  4. Step 4: Simplify right side
    49,905.15x = 2,337,738,828.12
  5. Step 5: Solve for x
    x = 2,337,738,828.12/49,905.15
  6. Step 6: Final answer
    x = 46,843.64

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