Home / 75,217.87-112,842.33-30,843.64

Finding the Fourth Proportional to 75,217.87, 112,842.33 and 30,843.64

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Solution

The fourth proportional to 75,217.87, 112,842.33 and 30,843.64 is: 46,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.87 : 112,842.33 = 30,843.64 : x
  2. Step 2: Convert to fraction form
    75,217.87/112,842.33 = 30,843.64/x
  3. Step 3: Cross multiply
    75,217.87x = 112,842.33 × 30,843.64
  4. Step 4: Simplify right side
    75,217.87x = 3,480,468,203.28
  5. Step 5: Solve for x
    x = 3,480,468,203.28/75,217.87
  6. Step 6: Final answer
    x = 46,271.83

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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.