Home / 75,934.85-104,789.70-41,945.72

Finding the Fourth Proportional to 75,934.85, 104,789.70 and 41,945.72

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Solution

The fourth proportional to 75,934.85, 104,789.70 and 41,945.72 is: 57,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,934.85 : 104,789.70 = 41,945.72 : x
  2. Step 2: Convert to fraction form
    75,934.85/104,789.70 = 41,945.72/x
  3. Step 3: Cross multiply
    75,934.85x = 104,789.70 × 41,945.72
  4. Step 4: Simplify right side
    75,934.85x = 4,395,478,891.14
  5. Step 5: Solve for x
    x = 4,395,478,891.14/75,934.85
  6. Step 6: Final answer
    x = 57,884.87

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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.