Home / 81,644.06-112,649.07-47,633.13

Finding the Fourth Proportional to 81,644.06, 112,649.07 and 47,633.13

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Solution

The fourth proportional to 81,644.06, 112,649.07 and 47,633.13 is: 65,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,644.06 : 112,649.07 = 47,633.13 : x
  2. Step 2: Convert to fraction form
    81,644.06/112,649.07 = 47,633.13/x
  3. Step 3: Cross multiply
    81,644.06x = 112,649.07 × 47,633.13
  4. Step 4: Simplify right side
    81,644.06x = 5,365,827,974.31
  5. Step 5: Solve for x
    x = 5,365,827,974.31/81,644.06
  6. Step 6: Final answer
    x = 65,722.21

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