Home / 70,272.87-96,976.55-38,441.70

Finding the Fourth Proportional to 70,272.87, 96,976.55 and 38,441.70

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Solution

The fourth proportional to 70,272.87, 96,976.55 and 38,441.70 is: 53,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,272.87 : 96,976.55 = 38,441.70 : x
  2. Step 2: Convert to fraction form
    70,272.87/96,976.55 = 38,441.70/x
  3. Step 3: Cross multiply
    70,272.87x = 96,976.55 × 38,441.70
  4. Step 4: Simplify right side
    70,272.87x = 3,727,943,249.93
  5. Step 5: Solve for x
    x = 3,727,943,249.93/70,272.87
  6. Step 6: Final answer
    x = 53,049.54

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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.