Home / 53,508.27-80,239.14-28,542.75

Finding the Fourth Proportional to 53,508.27, 80,239.14 and 28,542.75

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Solution

The fourth proportional to 53,508.27, 80,239.14 and 28,542.75 is: 42,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,508.27 : 80,239.14 = 28,542.75 : x
  2. Step 2: Convert to fraction form
    53,508.27/80,239.14 = 28,542.75/x
  3. Step 3: Cross multiply
    53,508.27x = 80,239.14 × 28,542.75
  4. Step 4: Simplify right side
    53,508.27x = 2,290,245,713.24
  5. Step 5: Solve for x
    x = 2,290,245,713.24/53,508.27
  6. Step 6: Final answer
    x = 42,801.71

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1.5x scale

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.