Home / 129,775.75-194,662.39-41,029.24

Finding the Fourth Proportional to 129,775.75, 194,662.39 and 41,029.24

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Solution

The fourth proportional to 129,775.75, 194,662.39 and 41,029.24 is: 61,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,775.75 : 194,662.39 = 41,029.24 : x
  2. Step 2: Convert to fraction form
    129,775.75/194,662.39 = 41,029.24/x
  3. Step 3: Cross multiply
    129,775.75x = 194,662.39 × 41,029.24
  4. Step 4: Simplify right side
    129,775.75x = 7,986,849,713.14
  5. Step 5: Solve for x
    x = 7,986,849,713.14/129,775.75
  6. Step 6: Final answer
    x = 61,543.47

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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.