Home / 75,331.62-103,958.64-41,340.38

Finding the Fourth Proportional to 75,331.62, 103,958.64 and 41,340.38

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Solution

The fourth proportional to 75,331.62, 103,958.64 and 41,340.38 is: 57,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,331.62 : 103,958.64 = 41,340.38 : x
  2. Step 2: Convert to fraction form
    75,331.62/103,958.64 = 41,340.38/x
  3. Step 3: Cross multiply
    75,331.62x = 103,958.64 × 41,340.38
  4. Step 4: Simplify right side
    75,331.62x = 4,297,689,162.09
  5. Step 5: Solve for x
    x = 4,297,689,162.09/75,331.62
  6. Step 6: Final answer
    x = 57,050.27

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1.5x scale

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.