Home / 57,380.40-85,997.30-46,292.31

Finding the Fourth Proportional to 57,380.40, 85,997.30 and 46,292.31

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Solution

The fourth proportional to 57,380.40, 85,997.30 and 46,292.31 is: 69,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.40 : 85,997.30 = 46,292.31 : x
  2. Step 2: Convert to fraction form
    57,380.40/85,997.30 = 46,292.31/x
  3. Step 3: Cross multiply
    57,380.40x = 85,997.30 × 46,292.31
  4. Step 4: Simplify right side
    57,380.40x = 3,981,013,439.30
  5. Step 5: Solve for x
    x = 3,981,013,439.30/57,380.40
  6. Step 6: Final answer
    x = 69,379.33

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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.