Home / 49,282.45-68,015.12-30,175.09

Finding the Fourth Proportional to 49,282.45, 68,015.12 and 30,175.09

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Solution

The fourth proportional to 49,282.45, 68,015.12 and 30,175.09 is: 41,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,282.45 : 68,015.12 = 30,175.09 : x
  2. Step 2: Convert to fraction form
    49,282.45/68,015.12 = 30,175.09/x
  3. Step 3: Cross multiply
    49,282.45x = 68,015.12 × 30,175.09
  4. Step 4: Simplify right side
    49,282.45x = 2,052,362,367.36
  5. Step 5: Solve for x
    x = 2,052,362,367.36/49,282.45
  6. Step 6: Final answer
    x = 41,644.89

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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.