Home / 75,625.20-113,399.52-42,336.33

Finding the Fourth Proportional to 75,625.20, 113,399.52 and 42,336.33

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Solution

The fourth proportional to 75,625.20, 113,399.52 and 42,336.33 is: 63,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.20 : 113,399.52 = 42,336.33 : x
  2. Step 2: Convert to fraction form
    75,625.20/113,399.52 = 42,336.33/x
  3. Step 3: Cross multiply
    75,625.20x = 113,399.52 × 42,336.33
  4. Step 4: Simplify right side
    75,625.20x = 4,800,919,500.56
  5. Step 5: Solve for x
    x = 4,800,919,500.56/75,625.20
  6. Step 6: Final answer
    x = 63,483.07

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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.