Home / 50,865.13-70,194.72-28,205.08

Finding the Fourth Proportional to 50,865.13, 70,194.72 and 28,205.08

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Solution

The fourth proportional to 50,865.13, 70,194.72 and 28,205.08 is: 38,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,865.13 : 70,194.72 = 28,205.08 : x
  2. Step 2: Convert to fraction form
    50,865.13/70,194.72 = 28,205.08/x
  3. Step 3: Cross multiply
    50,865.13x = 70,194.72 × 28,205.08
  4. Step 4: Simplify right side
    50,865.13x = 1,979,847,342.20
  5. Step 5: Solve for x
    x = 1,979,847,342.20/50,865.13
  6. Step 6: Final answer
    x = 38,923.47

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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.