Home / 79,112.48-109,170.99-43,295.56

Finding the Fourth Proportional to 79,112.48, 109,170.99 and 43,295.56

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Solution

The fourth proportional to 79,112.48, 109,170.99 and 43,295.56 is: 59,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,112.48 : 109,170.99 = 43,295.56 : x
  2. Step 2: Convert to fraction form
    79,112.48/109,170.99 = 43,295.56/x
  3. Step 3: Cross multiply
    79,112.48x = 109,170.99 × 43,295.56
  4. Step 4: Simplify right side
    79,112.48x = 4,726,618,874.88
  5. Step 5: Solve for x
    x = 4,726,618,874.88/79,112.48
  6. Step 6: Final answer
    x = 59,745.56

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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.