Home / 57,387.15-79,171.59-33,183.66

Finding the Fourth Proportional to 57,387.15, 79,171.59 and 33,183.66

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Solution

The fourth proportional to 57,387.15, 79,171.59 and 33,183.66 is: 45,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387.15 : 79,171.59 = 33,183.66 : x
  2. Step 2: Convert to fraction form
    57,387.15/79,171.59 = 33,183.66/x
  3. Step 3: Cross multiply
    57,387.15x = 79,171.59 × 33,183.66
  4. Step 4: Simplify right side
    57,387.15x = 2,627,203,124.22
  5. Step 5: Solve for x
    x = 2,627,203,124.22/57,387.15
  6. Step 6: Final answer
    x = 45,780.34

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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.