Home / 57,077.10-78,747.32-33,198.71

Finding the Fourth Proportional to 57,077.10, 78,747.32 and 33,198.71

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Solution

The fourth proportional to 57,077.10, 78,747.32 and 33,198.71 is: 45,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.10 : 78,747.32 = 33,198.71 : x
  2. Step 2: Convert to fraction form
    57,077.10/78,747.32 = 33,198.71/x
  3. Step 3: Cross multiply
    57,077.10x = 78,747.32 × 33,198.71
  4. Step 4: Simplify right side
    57,077.10x = 2,614,309,129.22
  5. Step 5: Solve for x
    x = 2,614,309,129.22/57,077.10
  6. Step 6: Final answer
    x = 45,803.12

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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.