Home / 57,206.60-85,826.10-17,767.70

Finding the Fourth Proportional to 57,206.60, 85,826.10 and 17,767.70

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Solution

The fourth proportional to 57,206.60, 85,826.10 and 17,767.70 is: 26,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,206.60 : 85,826.10 = 17,767.70 : x
  2. Step 2: Convert to fraction form
    57,206.60/85,826.10 = 17,767.70/x
  3. Step 3: Cross multiply
    57,206.60x = 85,826.10 × 17,767.70
  4. Step 4: Simplify right side
    57,206.60x = 1,524,932,396.97
  5. Step 5: Solve for x
    x = 1,524,932,396.97/57,206.60
  6. Step 6: Final answer
    x = 26,656.58

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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.