Home / 82,629.91-123,894.54-35,218.48

Finding the Fourth Proportional to 82,629.91, 123,894.54 and 35,218.48

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Solution

The fourth proportional to 82,629.91, 123,894.54 and 35,218.48 is: 52,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,629.91 : 123,894.54 = 35,218.48 : x
  2. Step 2: Convert to fraction form
    82,629.91/123,894.54 = 35,218.48/x
  3. Step 3: Cross multiply
    82,629.91x = 123,894.54 × 35,218.48
  4. Step 4: Simplify right side
    82,629.91x = 4,363,377,379.10
  5. Step 5: Solve for x
    x = 4,363,377,379.10/82,629.91
  6. Step 6: Final answer
    x = 52,806.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.