Home / 75,529.80-104,228.91-41,538.42

Finding the Fourth Proportional to 75,529.80, 104,228.91 and 41,538.42

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Solution

The fourth proportional to 75,529.80, 104,228.91 and 41,538.42 is: 57,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,529.80 : 104,228.91 = 41,538.42 : x
  2. Step 2: Convert to fraction form
    75,529.80/104,228.91 = 41,538.42/x
  3. Step 3: Cross multiply
    75,529.80x = 104,228.91 × 41,538.42
  4. Step 4: Simplify right side
    75,529.80x = 4,329,504,239.72
  5. Step 5: Solve for x
    x = 4,329,504,239.72/75,529.80
  6. Step 6: Final answer
    x = 57,321.80

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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.