Home / 45,867.49-68,744.77-21,864.42

Finding the Fourth Proportional to 45,867.49, 68,744.77 and 21,864.42

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Solution

The fourth proportional to 45,867.49, 68,744.77 and 21,864.42 is: 32,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,867.49 : 68,744.77 = 21,864.42 : x
  2. Step 2: Convert to fraction form
    45,867.49/68,744.77 = 21,864.42/x
  3. Step 3: Cross multiply
    45,867.49x = 68,744.77 × 21,864.42
  4. Step 4: Simplify right side
    45,867.49x = 1,503,064,469.42
  5. Step 5: Solve for x
    x = 1,503,064,469.42/45,867.49
  6. Step 6: Final answer
    x = 32,769.71

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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.