Home / 50,712.82-69,983.09-28,050.03

Finding the Fourth Proportional to 50,712.82, 69,983.09 and 28,050.03

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Solution

The fourth proportional to 50,712.82, 69,983.09 and 28,050.03 is: 38,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.82 : 69,983.09 = 28,050.03 : x
  2. Step 2: Convert to fraction form
    50,712.82/69,983.09 = 28,050.03/x
  3. Step 3: Cross multiply
    50,712.82x = 69,983.09 × 28,050.03
  4. Step 4: Simplify right side
    50,712.82x = 1,963,027,738.93
  5. Step 5: Solve for x
    x = 1,963,027,738.93/50,712.82
  6. Step 6: Final answer
    x = 38,708.71

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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.