Home / 129,633.09-194,316.09-49,649.24

Finding the Fourth Proportional to 129,633.09, 194,316.09 and 49,649.24

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Solution

The fourth proportional to 129,633.09, 194,316.09 and 49,649.24 is: 74,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,633.09 : 194,316.09 = 49,649.24 : x
  2. Step 2: Convert to fraction form
    129,633.09/194,316.09 = 49,649.24/x
  3. Step 3: Cross multiply
    129,633.09x = 194,316.09 × 49,649.24
  4. Step 4: Simplify right side
    129,633.09x = 9,647,645,216.69
  5. Step 5: Solve for x
    x = 9,647,645,216.69/129,633.09
  6. Step 6: Final answer
    x = 74,422.71

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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.