Home / 57,309.12-79,086.24-33,433.92

Finding the Fourth Proportional to 57,309.12, 79,086.24 and 33,433.92

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Solution

The fourth proportional to 57,309.12, 79,086.24 and 33,433.92 is: 46,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309.12 : 79,086.24 = 33,433.92 : x
  2. Step 2: Convert to fraction form
    57,309.12/79,086.24 = 33,433.92/x
  3. Step 3: Cross multiply
    57,309.12x = 79,086.24 × 33,433.92
  4. Step 4: Simplify right side
    57,309.12x = 2,644,163,021.26
  5. Step 5: Solve for x
    x = 2,644,163,021.26/57,309.12
  6. Step 6: Final answer
    x = 46,138.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.