Home / 50,132.39-75,229.78-45,460.86

Finding the Fourth Proportional to 50,132.39, 75,229.78 and 45,460.86

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Solution

The fourth proportional to 50,132.39, 75,229.78 and 45,460.86 is: 68,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,132.39 : 75,229.78 = 45,460.86 : x
  2. Step 2: Convert to fraction form
    50,132.39/75,229.78 = 45,460.86/x
  3. Step 3: Cross multiply
    50,132.39x = 75,229.78 × 45,460.86
  4. Step 4: Simplify right side
    50,132.39x = 3,420,010,496.41
  5. Step 5: Solve for x
    x = 3,420,010,496.41/50,132.39
  6. Step 6: Final answer
    x = 68,219.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.