Home / 57,077.22-78,747.39-33,184.38

Finding the Fourth Proportional to 57,077.22, 78,747.39 and 33,184.38

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Solution

The fourth proportional to 57,077.22, 78,747.39 and 33,184.38 is: 45,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.22 : 78,747.39 = 33,184.38 : x
  2. Step 2: Convert to fraction form
    57,077.22/78,747.39 = 33,184.38/x
  3. Step 3: Cross multiply
    57,077.22x = 78,747.39 × 33,184.38
  4. Step 4: Simplify right side
    57,077.22x = 2,613,183,313.77
  5. Step 5: Solve for x
    x = 2,613,183,313.77/57,077.22
  6. Step 6: Final answer
    x = 45,783.30

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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.