Home / 75,529.91-104,229.20-41,538.40

Finding the Fourth Proportional to 75,529.91, 104,229.20 and 41,538.40

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Solution

The fourth proportional to 75,529.91, 104,229.20 and 41,538.40 is: 57,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,529.91 : 104,229.20 = 41,538.40 : x
  2. Step 2: Convert to fraction form
    75,529.91/104,229.20 = 41,538.40/x
  3. Step 3: Cross multiply
    75,529.91x = 104,229.20 × 41,538.40
  4. Step 4: Simplify right side
    75,529.91x = 4,329,514,201.28
  5. Step 5: Solve for x
    x = 4,329,514,201.28/75,529.91
  6. Step 6: Final answer
    x = 57,321.85

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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.