Home / 87,447.12-131,171.86-27,473.64

Finding the Fourth Proportional to 87,447.12, 131,171.86 and 27,473.64

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Solution

The fourth proportional to 87,447.12, 131,171.86 and 27,473.64 is: 41,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,447.12 : 131,171.86 = 27,473.64 : x
  2. Step 2: Convert to fraction form
    87,447.12/131,171.86 = 27,473.64/x
  3. Step 3: Cross multiply
    87,447.12x = 131,171.86 × 27,473.64
  4. Step 4: Simplify right side
    87,447.12x = 3,603,768,459.77
  5. Step 5: Solve for x
    x = 3,603,768,459.77/87,447.12
  6. Step 6: Final answer
    x = 41,210.83

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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.