Home / 57,214.20-85,800.22-19,764.66

Finding the Fourth Proportional to 57,214.20, 85,800.22 and 19,764.66

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Solution

The fourth proportional to 57,214.20, 85,800.22 and 19,764.66 is: 29,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.20 : 85,800.22 = 19,764.66 : x
  2. Step 2: Convert to fraction form
    57,214.20/85,800.22 = 19,764.66/x
  3. Step 3: Cross multiply
    57,214.20x = 85,800.22 × 19,764.66
  4. Step 4: Simplify right side
    57,214.20x = 1,695,812,176.23
  5. Step 5: Solve for x
    x = 1,695,812,176.23/57,214.20
  6. Step 6: Final answer
    x = 29,639.71

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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.