Home / 50,772.57-70,063.86-28,109.97

Finding the Fourth Proportional to 50,772.57, 70,063.86 and 28,109.97

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Solution

The fourth proportional to 50,772.57, 70,063.86 and 28,109.97 is: 38,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.57 : 70,063.86 = 28,109.97 : x
  2. Step 2: Convert to fraction form
    50,772.57/70,063.86 = 28,109.97/x
  3. Step 3: Cross multiply
    50,772.57x = 70,063.86 × 28,109.97
  4. Step 4: Simplify right side
    50,772.57x = 1,969,493,002.68
  5. Step 5: Solve for x
    x = 1,969,493,002.68/50,772.57
  6. Step 6: Final answer
    x = 38,790.49

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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.