Home / 53,229.52-73,396.02-39,778.12

Finding the Fourth Proportional to 53,229.52, 73,396.02 and 39,778.12

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Solution

The fourth proportional to 53,229.52, 73,396.02 and 39,778.12 is: 54,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.52 : 73,396.02 = 39,778.12 : x
  2. Step 2: Convert to fraction form
    53,229.52/73,396.02 = 39,778.12/x
  3. Step 3: Cross multiply
    53,229.52x = 73,396.02 × 39,778.12
  4. Step 4: Simplify right side
    53,229.52x = 2,919,555,691.08
  5. Step 5: Solve for x
    x = 2,919,555,691.08/53,229.52
  6. Step 6: Final answer
    x = 54,848.43

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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.