Home / 49,419.75-68,199.30-28,205.85

Finding the Fourth Proportional to 49,419.75, 68,199.30 and 28,205.85

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Solution

The fourth proportional to 49,419.75, 68,199.30 and 28,205.85 is: 38,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.75 : 68,199.30 = 28,205.85 : x
  2. Step 2: Convert to fraction form
    49,419.75/68,199.30 = 28,205.85/x
  3. Step 3: Cross multiply
    49,419.75x = 68,199.30 × 28,205.85
  4. Step 4: Simplify right side
    49,419.75x = 1,923,619,225.91
  5. Step 5: Solve for x
    x = 1,923,619,225.91/49,419.75
  6. Step 6: Final answer
    x = 38,924.10

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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.