Home / 79,195.37-109,283.90-43,379.60

Finding the Fourth Proportional to 79,195.37, 109,283.90 and 43,379.60

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Solution

The fourth proportional to 79,195.37, 109,283.90 and 43,379.60 is: 59,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.37 : 109,283.90 = 43,379.60 : x
  2. Step 2: Convert to fraction form
    79,195.37/109,283.90 = 43,379.60/x
  3. Step 3: Cross multiply
    79,195.37x = 109,283.90 × 43,379.60
  4. Step 4: Simplify right side
    79,195.37x = 4,740,691,105.12
  5. Step 5: Solve for x
    x = 4,740,691,105.12/79,195.37
  6. Step 6: Final answer
    x = 59,860.71

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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.