Home / 75,345.14-103,976.43-41,353.85

Finding the Fourth Proportional to 75,345.14, 103,976.43 and 41,353.85

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Solution

The fourth proportional to 75,345.14, 103,976.43 and 41,353.85 is: 57,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,345.14 : 103,976.43 = 41,353.85 : x
  2. Step 2: Convert to fraction form
    75,345.14/103,976.43 = 41,353.85/x
  3. Step 3: Cross multiply
    75,345.14x = 103,976.43 × 41,353.85
  4. Step 4: Simplify right side
    75,345.14x = 4,299,825,794.62
  5. Step 5: Solve for x
    x = 4,299,825,794.62/75,345.14
  6. Step 6: Final answer
    x = 57,068.39

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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.