Home / 75,815.89-104,626.03-41,824.30

Finding the Fourth Proportional to 75,815.89, 104,626.03 and 41,824.30

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Solution

The fourth proportional to 75,815.89, 104,626.03 and 41,824.30 is: 57,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.89 : 104,626.03 = 41,824.30 : x
  2. Step 2: Convert to fraction form
    75,815.89/104,626.03 = 41,824.30/x
  3. Step 3: Cross multiply
    75,815.89x = 104,626.03 × 41,824.30
  4. Step 4: Simplify right side
    75,815.89x = 4,375,910,375.00
  5. Step 5: Solve for x
    x = 4,375,910,375.00/75,815.89
  6. Step 6: Final answer
    x = 57,717.59

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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.