Home / 57,217.70-85,826.55-38,555.30

Finding the Fourth Proportional to 57,217.70, 85,826.55 and 38,555.30

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Solution

The fourth proportional to 57,217.70, 85,826.55 and 38,555.30 is: 57,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.70 : 85,826.55 = 38,555.30 : x
  2. Step 2: Convert to fraction form
    57,217.70/85,826.55 = 38,555.30/x
  3. Step 3: Cross multiply
    57,217.70x = 85,826.55 × 38,555.30
  4. Step 4: Simplify right side
    57,217.70x = 3,309,068,383.22
  5. Step 5: Solve for x
    x = 3,309,068,383.22/57,217.70
  6. Step 6: Final answer
    x = 57,832.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.