Home / 68,664.50-102,816.52-55,266.29

Finding the Fourth Proportional to 68,664.50, 102,816.52 and 55,266.29

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Solution

The fourth proportional to 68,664.50, 102,816.52 and 55,266.29 is: 82,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,664.50 : 102,816.52 = 55,266.29 : x
  2. Step 2: Convert to fraction form
    68,664.50/102,816.52 = 55,266.29/x
  3. Step 3: Cross multiply
    68,664.50x = 102,816.52 × 55,266.29
  4. Step 4: Simplify right side
    68,664.50x = 5,682,287,611.11
  5. Step 5: Solve for x
    x = 5,682,287,611.11/68,664.50
  6. Step 6: Final answer
    x = 82,754.37

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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.