Home / 79,649.09-119,469.67-29,725.37

Finding the Fourth Proportional to 79,649.09, 119,469.67 and 29,725.37

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Solution

The fourth proportional to 79,649.09, 119,469.67 and 29,725.37 is: 44,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,649.09 : 119,469.67 = 29,725.37 : x
  2. Step 2: Convert to fraction form
    79,649.09/119,469.67 = 29,725.37/x
  3. Step 3: Cross multiply
    79,649.09x = 119,469.67 × 29,725.37
  4. Step 4: Simplify right side
    79,649.09x = 3,551,279,472.87
  5. Step 5: Solve for x
    x = 3,551,279,472.87/79,649.09
  6. Step 6: Final answer
    x = 44,586.57

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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.