Home / 50,867.47-70,194.25-28,205.11

Finding the Fourth Proportional to 50,867.47, 70,194.25 and 28,205.11

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Solution

The fourth proportional to 50,867.47, 70,194.25 and 28,205.11 is: 38,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,867.47 : 70,194.25 = 28,205.11 : x
  2. Step 2: Convert to fraction form
    50,867.47/70,194.25 = 28,205.11/x
  3. Step 3: Cross multiply
    50,867.47x = 70,194.25 × 28,205.11
  4. Step 4: Simplify right side
    50,867.47x = 1,979,836,542.62
  5. Step 5: Solve for x
    x = 1,979,836,542.62/50,867.47
  6. Step 6: Final answer
    x = 38,921.47

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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.