Home / 55,229.38-76,213.83-31,352.92

Finding the Fourth Proportional to 55,229.38, 76,213.83 and 31,352.92

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Solution

The fourth proportional to 55,229.38, 76,213.83 and 31,352.92 is: 43,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.38 : 76,213.83 = 31,352.92 : x
  2. Step 2: Convert to fraction form
    55,229.38/76,213.83 = 31,352.92/x
  3. Step 3: Cross multiply
    55,229.38x = 76,213.83 × 31,352.92
  4. Step 4: Simplify right side
    55,229.38x = 2,389,526,114.88
  5. Step 5: Solve for x
    x = 2,389,526,114.88/55,229.38
  6. Step 6: Final answer
    x = 43,265.49

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1.5x scale

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.