Home / 79,452.21-109,644.82-43,642.22

Finding the Fourth Proportional to 79,452.21, 109,644.82 and 43,642.22

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Solution

The fourth proportional to 79,452.21, 109,644.82 and 43,642.22 is: 60,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,452.21 : 109,644.82 = 43,642.22 : x
  2. Step 2: Convert to fraction form
    79,452.21/109,644.82 = 43,642.22/x
  3. Step 3: Cross multiply
    79,452.21x = 109,644.82 × 43,642.22
  4. Step 4: Simplify right side
    79,452.21x = 4,785,143,684.97
  5. Step 5: Solve for x
    x = 4,785,143,684.97/79,452.21
  6. Step 6: Final answer
    x = 60,226.69

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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.