Home / 80,249.28-120,300.18-27,646.32

Finding the Fourth Proportional to 80,249.28, 120,300.18 and 27,646.32

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Solution

The fourth proportional to 80,249.28, 120,300.18 and 27,646.32 is: 41,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,249.28 : 120,300.18 = 27,646.32 : x
  2. Step 2: Convert to fraction form
    80,249.28/120,300.18 = 27,646.32/x
  3. Step 3: Cross multiply
    80,249.28x = 120,300.18 × 27,646.32
  4. Step 4: Simplify right side
    80,249.28x = 3,325,857,272.34
  5. Step 5: Solve for x
    x = 3,325,857,272.34/80,249.28
  6. Step 6: Final answer
    x = 41,444.08

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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.