Home / 79,467.12-109,666.56-43,659.44

Finding the Fourth Proportional to 79,467.12, 109,666.56 and 43,659.44

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Solution

The fourth proportional to 79,467.12, 109,666.56 and 43,659.44 is: 60,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,467.12 : 109,666.56 = 43,659.44 : x
  2. Step 2: Convert to fraction form
    79,467.12/109,666.56 = 43,659.44/x
  3. Step 3: Cross multiply
    79,467.12x = 109,666.56 × 43,659.44
  4. Step 4: Simplify right side
    79,467.12x = 4,787,980,596.33
  5. Step 5: Solve for x
    x = 4,787,980,596.33/79,467.12
  6. Step 6: Final answer
    x = 60,251.09

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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.