Home / 85,249.24-117,620.86-48,454.94

Finding the Fourth Proportional to 85,249.24, 117,620.86 and 48,454.94

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Solution

The fourth proportional to 85,249.24, 117,620.86 and 48,454.94 is: 66,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,249.24 : 117,620.86 = 48,454.94 : x
  2. Step 2: Convert to fraction form
    85,249.24/117,620.86 = 48,454.94/x
  3. Step 3: Cross multiply
    85,249.24x = 117,620.86 × 48,454.94
  4. Step 4: Simplify right side
    85,249.24x = 5,699,311,714.05
  5. Step 5: Solve for x
    x = 5,699,311,714.05/85,249.24
  6. Step 6: Final answer
    x = 66,854.69

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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.