Home / 50,865.56-70,198.64-28,211.68

Finding the Fourth Proportional to 50,865.56, 70,198.64 and 28,211.68

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Solution

The fourth proportional to 50,865.56, 70,198.64 and 28,211.68 is: 38,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,865.56 : 70,198.64 = 28,211.68 : x
  2. Step 2: Convert to fraction form
    50,865.56/70,198.64 = 28,211.68/x
  3. Step 3: Cross multiply
    50,865.56x = 70,198.64 × 28,211.68
  4. Step 4: Simplify right side
    50,865.56x = 1,980,421,568.12
  5. Step 5: Solve for x
    x = 1,980,421,568.12/50,865.56
  6. Step 6: Final answer
    x = 38,934.43

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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.