Home / 68,192.04-102,273.48-21,433.98

Finding the Fourth Proportional to 68,192.04, 102,273.48 and 21,433.98

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Solution

The fourth proportional to 68,192.04, 102,273.48 and 21,433.98 is: 32,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.04 : 102,273.48 = 21,433.98 : x
  2. Step 2: Convert to fraction form
    68,192.04/102,273.48 = 21,433.98/x
  3. Step 3: Cross multiply
    68,192.04x = 102,273.48 × 21,433.98
  4. Step 4: Simplify right side
    68,192.04x = 2,192,127,724.85
  5. Step 5: Solve for x
    x = 2,192,127,724.85/68,192.04
  6. Step 6: Final answer
    x = 32,146.39

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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.