Home / 68,504.52-102,744.66-18,588.50

Finding the Fourth Proportional to 68,504.52, 102,744.66 and 18,588.50

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Solution

The fourth proportional to 68,504.52, 102,744.66 and 18,588.50 is: 27,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,504.52 : 102,744.66 = 18,588.50 : x
  2. Step 2: Convert to fraction form
    68,504.52/102,744.66 = 18,588.50/x
  3. Step 3: Cross multiply
    68,504.52x = 102,744.66 × 18,588.50
  4. Step 4: Simplify right side
    68,504.52x = 1,909,869,369.27
  5. Step 5: Solve for x
    x = 1,909,869,369.27/68,504.52
  6. Step 6: Final answer
    x = 27,879.47

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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.