Home / 70,198.26-105,346.59-40,575.33

Finding the Fourth Proportional to 70,198.26, 105,346.59 and 40,575.33

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Solution

The fourth proportional to 70,198.26, 105,346.59 and 40,575.33 is: 60,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,198.26 : 105,346.59 = 40,575.33 : x
  2. Step 2: Convert to fraction form
    70,198.26/105,346.59 = 40,575.33/x
  3. Step 3: Cross multiply
    70,198.26x = 105,346.59 × 40,575.33
  4. Step 4: Simplify right side
    70,198.26x = 4,274,472,653.62
  5. Step 5: Solve for x
    x = 4,274,472,653.62/70,198.26
  6. Step 6: Final answer
    x = 60,891.43

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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.