Home / 75,357-103,992.66-41,829.48

Finding the Fourth Proportional to 75,357, 103,992.66 and 41,829.48

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Solution

The fourth proportional to 75,357, 103,992.66 and 41,829.48 is: 57,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,357 : 103,992.66 = 41,829.48 : x
  2. Step 2: Convert to fraction form
    75,357/103,992.66 = 41,829.48/x
  3. Step 3: Cross multiply
    75,357x = 103,992.66 × 41,829.48
  4. Step 4: Simplify right side
    75,357x = 4,349,958,891.62
  5. Step 5: Solve for x
    x = 4,349,958,891.62/75,357
  6. Step 6: Final answer
    x = 57,724.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.