Home / 57,091.11-85,644.86-17,651.30

Finding the Fourth Proportional to 57,091.11, 85,644.86 and 17,651.30

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Solution

The fourth proportional to 57,091.11, 85,644.86 and 17,651.30 is: 26,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.11 : 85,644.86 = 17,651.30 : x
  2. Step 2: Convert to fraction form
    57,091.11/85,644.86 = 17,651.30/x
  3. Step 3: Cross multiply
    57,091.11x = 85,644.86 × 17,651.30
  4. Step 4: Simplify right side
    57,091.11x = 1,511,743,117.32
  5. Step 5: Solve for x
    x = 1,511,743,117.32/57,091.11
  6. Step 6: Final answer
    x = 26,479.48

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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.