Home / 45,902.76-68,845.23-12,614.28

Finding the Fourth Proportional to 45,902.76, 68,845.23 and 12,614.28

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Solution

The fourth proportional to 45,902.76, 68,845.23 and 12,614.28 is: 18,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,902.76 : 68,845.23 = 12,614.28 : x
  2. Step 2: Convert to fraction form
    45,902.76/68,845.23 = 12,614.28/x
  3. Step 3: Cross multiply
    45,902.76x = 68,845.23 × 12,614.28
  4. Step 4: Simplify right side
    45,902.76x = 868,433,007.88
  5. Step 5: Solve for x
    x = 868,433,007.88/45,902.76
  6. Step 6: Final answer
    x = 18,918.97

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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.