Home / 50,290.35-75,435.51-12,850.50

Finding the Fourth Proportional to 50,290.35, 75,435.51 and 12,850.50

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Solution

The fourth proportional to 50,290.35, 75,435.51 and 12,850.50 is: 19,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,290.35 : 75,435.51 = 12,850.50 : x
  2. Step 2: Convert to fraction form
    50,290.35/75,435.51 = 12,850.50/x
  3. Step 3: Cross multiply
    50,290.35x = 75,435.51 × 12,850.50
  4. Step 4: Simplify right side
    50,290.35x = 969,384,021.26
  5. Step 5: Solve for x
    x = 969,384,021.26/50,290.35
  6. Step 6: Final answer
    x = 19,275.75

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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.