Home / 56,072.07-84,108.11-21,007.17

Finding the Fourth Proportional to 56,072.07, 84,108.11 and 21,007.17

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Solution

The fourth proportional to 56,072.07, 84,108.11 and 21,007.17 is: 31,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,072.07 : 84,108.11 = 21,007.17 : x
  2. Step 2: Convert to fraction form
    56,072.07/84,108.11 = 21,007.17/x
  3. Step 3: Cross multiply
    56,072.07x = 84,108.11 × 21,007.17
  4. Step 4: Simplify right side
    56,072.07x = 1,766,873,260.11
  5. Step 5: Solve for x
    x = 1,766,873,260.11/56,072.07
  6. Step 6: Final answer
    x = 31,510.76

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