Home / 75,634.43-113,452.20-28,260.23

Finding the Fourth Proportional to 75,634.43, 113,452.20 and 28,260.23

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Solution

The fourth proportional to 75,634.43, 113,452.20 and 28,260.23 is: 42,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,634.43 : 113,452.20 = 28,260.23 : x
  2. Step 2: Convert to fraction form
    75,634.43/113,452.20 = 28,260.23/x
  3. Step 3: Cross multiply
    75,634.43x = 113,452.20 × 28,260.23
  4. Step 4: Simplify right side
    75,634.43x = 3,206,184,698.75
  5. Step 5: Solve for x
    x = 3,206,184,698.75/75,634.43
  6. Step 6: Final answer
    x = 42,390.55

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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.