Home / 49,394.08-68,163.13-28,173.70

Finding the Fourth Proportional to 49,394.08, 68,163.13 and 28,173.70

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Solution

The fourth proportional to 49,394.08, 68,163.13 and 28,173.70 is: 38,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,394.08 : 68,163.13 = 28,173.70 : x
  2. Step 2: Convert to fraction form
    49,394.08/68,163.13 = 28,173.70/x
  3. Step 3: Cross multiply
    49,394.08x = 68,163.13 × 28,173.70
  4. Step 4: Simplify right side
    49,394.08x = 1,920,407,575.68
  5. Step 5: Solve for x
    x = 1,920,407,575.68/49,394.08
  6. Step 6: Final answer
    x = 38,879.31

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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.