Home / 71,760.64-99,021.44-41,546.56

Finding the Fourth Proportional to 71,760.64, 99,021.44 and 41,546.56

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Solution

The fourth proportional to 71,760.64, 99,021.44 and 41,546.56 is: 57,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,760.64 : 99,021.44 = 41,546.56 : x
  2. Step 2: Convert to fraction form
    71,760.64/99,021.44 = 41,546.56/x
  3. Step 3: Cross multiply
    71,760.64x = 99,021.44 × 41,546.56
  4. Step 4: Simplify right side
    71,760.64x = 4,114,000,198.25
  5. Step 5: Solve for x
    x = 4,114,000,198.25/71,760.64
  6. Step 6: Final answer
    x = 57,329.48

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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.