Home / 74,249.29-111,372.10-21,659.23

Finding the Fourth Proportional to 74,249.29, 111,372.10 and 21,659.23

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Solution

The fourth proportional to 74,249.29, 111,372.10 and 21,659.23 is: 32,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,249.29 : 111,372.10 = 21,659.23 : x
  2. Step 2: Convert to fraction form
    74,249.29/111,372.10 = 21,659.23/x
  3. Step 3: Cross multiply
    74,249.29x = 111,372.10 × 21,659.23
  4. Step 4: Simplify right side
    74,249.29x = 2,412,234,014.55
  5. Step 5: Solve for x
    x = 2,412,234,014.55/74,249.29
  6. Step 6: Final answer
    x = 32,488.31

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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.