Home / 49,371.54-68,131.41-28,150.32

Finding the Fourth Proportional to 49,371.54, 68,131.41 and 28,150.32

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Solution

The fourth proportional to 49,371.54, 68,131.41 and 28,150.32 is: 38,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371.54 : 68,131.41 = 28,150.32 : x
  2. Step 2: Convert to fraction form
    49,371.54/68,131.41 = 28,150.32/x
  3. Step 3: Cross multiply
    49,371.54x = 68,131.41 × 28,150.32
  4. Step 4: Simplify right side
    49,371.54x = 1,917,920,993.55
  5. Step 5: Solve for x
    x = 1,917,920,993.55/49,371.54
  6. Step 6: Final answer
    x = 38,846.69

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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.