Home / 57,942.24-86,906.16-18,503.52

Finding the Fourth Proportional to 57,942.24, 86,906.16 and 18,503.52

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Solution

The fourth proportional to 57,942.24, 86,906.16 and 18,503.52 is: 27,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,942.24 : 86,906.16 = 18,503.52 : x
  2. Step 2: Convert to fraction form
    57,942.24/86,906.16 = 18,503.52/x
  3. Step 3: Cross multiply
    57,942.24x = 86,906.16 × 18,503.52
  4. Step 4: Simplify right side
    57,942.24x = 1,608,069,869.68
  5. Step 5: Solve for x
    x = 1,608,069,869.68/57,942.24
  6. Step 6: Final answer
    x = 27,752.98

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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.