Home / 75,847.87-113,738.71-40,300.61

Finding the Fourth Proportional to 75,847.87, 113,738.71 and 40,300.61

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Solution

The fourth proportional to 75,847.87, 113,738.71 and 40,300.61 is: 60,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,847.87 : 113,738.71 = 40,300.61 : x
  2. Step 2: Convert to fraction form
    75,847.87/113,738.71 = 40,300.61/x
  3. Step 3: Cross multiply
    75,847.87x = 113,738.71 × 40,300.61
  4. Step 4: Simplify right side
    75,847.87x = 4,583,739,577.21
  5. Step 5: Solve for x
    x = 4,583,739,577.21/75,847.87
  6. Step 6: Final answer
    x = 60,433.33

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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.