Home / 48,137.52-66,403.12-27,992.20

Finding the Fourth Proportional to 48,137.52, 66,403.12 and 27,992.20

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Solution

The fourth proportional to 48,137.52, 66,403.12 and 27,992.20 is: 38,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,137.52 : 66,403.12 = 27,992.20 : x
  2. Step 2: Convert to fraction form
    48,137.52/66,403.12 = 27,992.20/x
  3. Step 3: Cross multiply
    48,137.52x = 66,403.12 × 27,992.20
  4. Step 4: Simplify right side
    48,137.52x = 1,858,769,415.66
  5. Step 5: Solve for x
    x = 1,858,769,415.66/48,137.52
  6. Step 6: Final answer
    x = 38,613.73

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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.