Home / 57,843.28-86,665.90-31,566.48

Finding the Fourth Proportional to 57,843.28, 86,665.90 and 31,566.48

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Solution

The fourth proportional to 57,843.28, 86,665.90 and 31,566.48 is: 47,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,843.28 : 86,665.90 = 31,566.48 : x
  2. Step 2: Convert to fraction form
    57,843.28/86,665.90 = 31,566.48/x
  3. Step 3: Cross multiply
    57,843.28x = 86,665.90 × 31,566.48
  4. Step 4: Simplify right side
    57,843.28x = 2,735,737,399.03
  5. Step 5: Solve for x
    x = 2,735,737,399.03/57,843.28
  6. Step 6: Final answer
    x = 47,295.68

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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.