Home / 50,857.65-70,185.26-28,195.29

Finding the Fourth Proportional to 50,857.65, 70,185.26 and 28,195.29

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Solution

The fourth proportional to 50,857.65, 70,185.26 and 28,195.29 is: 38,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,857.65 : 70,185.26 = 28,195.29 : x
  2. Step 2: Convert to fraction form
    50,857.65/70,185.26 = 28,195.29/x
  3. Step 3: Cross multiply
    50,857.65x = 70,185.26 × 28,195.29
  4. Step 4: Simplify right side
    50,857.65x = 1,978,893,759.43
  5. Step 5: Solve for x
    x = 1,978,893,759.43/50,857.65
  6. Step 6: Final answer
    x = 38,910.44

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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.