Home / 79,364.75-109,519.91-43,555.37

Finding the Fourth Proportional to 79,364.75, 109,519.91 and 43,555.37

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Solution

The fourth proportional to 79,364.75, 109,519.91 and 43,555.37 is: 60,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,364.75 : 109,519.91 = 43,555.37 : x
  2. Step 2: Convert to fraction form
    79,364.75/109,519.91 = 43,555.37/x
  3. Step 3: Cross multiply
    79,364.75x = 109,519.91 × 43,555.37
  4. Step 4: Simplify right side
    79,364.75x = 4,770,179,437.04
  5. Step 5: Solve for x
    x = 4,770,179,437.04/79,364.75
  6. Step 6: Final answer
    x = 60,104.51

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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.