Home / 79,249.44-109,357.98-45,708.96

Finding the Fourth Proportional to 79,249.44, 109,357.98 and 45,708.96

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Solution

The fourth proportional to 79,249.44, 109,357.98 and 45,708.96 is: 63,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.44 : 109,357.98 = 45,708.96 : x
  2. Step 2: Convert to fraction form
    79,249.44/109,357.98 = 45,708.96/x
  3. Step 3: Cross multiply
    79,249.44x = 109,357.98 × 45,708.96
  4. Step 4: Simplify right side
    79,249.44x = 4,998,639,533.50
  5. Step 5: Solve for x
    x = 4,998,639,533.50/79,249.44
  6. Step 6: Final answer
    x = 63,074.76

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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.