Home / 85,004.10-127,518.30-28,846.80

Finding the Fourth Proportional to 85,004.10, 127,518.30 and 28,846.80

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Solution

The fourth proportional to 85,004.10, 127,518.30 and 28,846.80 is: 43,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004.10 : 127,518.30 = 28,846.80 : x
  2. Step 2: Convert to fraction form
    85,004.10/127,518.30 = 28,846.80/x
  3. Step 3: Cross multiply
    85,004.10x = 127,518.30 × 28,846.80
  4. Step 4: Simplify right side
    85,004.10x = 3,678,494,896.44
  5. Step 5: Solve for x
    x = 3,678,494,896.44/85,004.10
  6. Step 6: Final answer
    x = 43,274.32

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