Home / 79,194.92-109,284.39-43,378.69

Finding the Fourth Proportional to 79,194.92, 109,284.39 and 43,378.69

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Solution

The fourth proportional to 79,194.92, 109,284.39 and 43,378.69 is: 59,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,194.92 : 109,284.39 = 43,378.69 : x
  2. Step 2: Convert to fraction form
    79,194.92/109,284.39 = 43,378.69/x
  3. Step 3: Cross multiply
    79,194.92x = 109,284.39 × 43,378.69
  4. Step 4: Simplify right side
    79,194.92x = 4,740,613,607.35
  5. Step 5: Solve for x
    x = 4,740,613,607.35/79,194.92
  6. Step 6: Final answer
    x = 59,860.08

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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.