Home / 57,175.91-85,772.16-17,736.20

Finding the Fourth Proportional to 57,175.91, 85,772.16 and 17,736.20

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Solution

The fourth proportional to 57,175.91, 85,772.16 and 17,736.20 is: 26,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.91 : 85,772.16 = 17,736.20 : x
  2. Step 2: Convert to fraction form
    57,175.91/85,772.16 = 17,736.20/x
  3. Step 3: Cross multiply
    57,175.91x = 85,772.16 × 17,736.20
  4. Step 4: Simplify right side
    57,175.91x = 1,521,271,755.33
  5. Step 5: Solve for x
    x = 1,521,271,755.33/57,175.91
  6. Step 6: Final answer
    x = 26,606.87

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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.