Home / 75,225.05-103,805.78-41,227.52

Finding the Fourth Proportional to 75,225.05, 103,805.78 and 41,227.52

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Solution

The fourth proportional to 75,225.05, 103,805.78 and 41,227.52 is: 56,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,225.05 : 103,805.78 = 41,227.52 : x
  2. Step 2: Convert to fraction form
    75,225.05/103,805.78 = 41,227.52/x
  3. Step 3: Cross multiply
    75,225.05x = 103,805.78 × 41,227.52
  4. Step 4: Simplify right side
    75,225.05x = 4,279,654,924.44
  5. Step 5: Solve for x
    x = 4,279,654,924.44/75,225.05
  6. Step 6: Final answer
    x = 56,891.36

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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.