Home / 57,986.46-86,944.77-31,654.62

Finding the Fourth Proportional to 57,986.46, 86,944.77 and 31,654.62

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Solution

The fourth proportional to 57,986.46, 86,944.77 and 31,654.62 is: 47,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.46 : 86,944.77 = 31,654.62 : x
  2. Step 2: Convert to fraction form
    57,986.46/86,944.77 = 31,654.62/x
  3. Step 3: Cross multiply
    57,986.46x = 86,944.77 × 31,654.62
  4. Step 4: Simplify right side
    57,986.46x = 2,752,203,655.34
  5. Step 5: Solve for x
    x = 2,752,203,655.34/57,986.46
  6. Step 6: Final answer
    x = 47,462.87

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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.