Home / 79,183.48-109,273.22-43,374.78

Finding the Fourth Proportional to 79,183.48, 109,273.22 and 43,374.78

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Solution

The fourth proportional to 79,183.48, 109,273.22 and 43,374.78 is: 59,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,183.48 : 109,273.22 = 43,374.78 : x
  2. Step 2: Convert to fraction form
    79,183.48/109,273.22 = 43,374.78/x
  3. Step 3: Cross multiply
    79,183.48x = 109,273.22 × 43,374.78
  4. Step 4: Simplify right side
    79,183.48x = 4,739,701,877.39
  5. Step 5: Solve for x
    x = 4,739,701,877.39/79,183.48
  6. Step 6: Final answer
    x = 59,857.21

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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.