Home / 68,664.26-102,999.12-21,284.27

Finding the Fourth Proportional to 68,664.26, 102,999.12 and 21,284.27

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Solution

The fourth proportional to 68,664.26, 102,999.12 and 21,284.27 is: 31,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,664.26 : 102,999.12 = 21,284.27 : x
  2. Step 2: Convert to fraction form
    68,664.26/102,999.12 = 21,284.27/x
  3. Step 3: Cross multiply
    68,664.26x = 102,999.12 × 21,284.27
  4. Step 4: Simplify right side
    68,664.26x = 2,192,261,079.84
  5. Step 5: Solve for x
    x = 2,192,261,079.84/68,664.26
  6. Step 6: Final answer
    x = 31,927.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.