Home / 57,083.18-85,603.82-19,632.65

Finding the Fourth Proportional to 57,083.18, 85,603.82 and 19,632.65

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Solution

The fourth proportional to 57,083.18, 85,603.82 and 19,632.65 is: 29,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.18 : 85,603.82 = 19,632.65 : x
  2. Step 2: Convert to fraction form
    57,083.18/85,603.82 = 19,632.65/x
  3. Step 3: Cross multiply
    57,083.18x = 85,603.82 × 19,632.65
  4. Step 4: Simplify right side
    57,083.18x = 1,680,629,310.54
  5. Step 5: Solve for x
    x = 1,680,629,310.54/57,083.18
  6. Step 6: Final answer
    x = 29,441.76

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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.