Home / 79,436.26-109,622.19-43,628.59

Finding the Fourth Proportional to 79,436.26, 109,622.19 and 43,628.59

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Solution

The fourth proportional to 79,436.26, 109,622.19 and 43,628.59 is: 60,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.26 : 109,622.19 = 43,628.59 : x
  2. Step 2: Convert to fraction form
    79,436.26/109,622.19 = 43,628.59/x
  3. Step 3: Cross multiply
    79,436.26x = 109,622.19 × 43,628.59
  4. Step 4: Simplify right side
    79,436.26x = 4,782,661,582.41
  5. Step 5: Solve for x
    x = 4,782,661,582.41/79,436.26
  6. Step 6: Final answer
    x = 60,207.54

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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.