Home / 67,018.11-100,550.52-44,618.64

Finding the Fourth Proportional to 67,018.11, 100,550.52 and 44,618.64

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Solution

The fourth proportional to 67,018.11, 100,550.52 and 44,618.64 is: 66,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,018.11 : 100,550.52 = 44,618.64 : x
  2. Step 2: Convert to fraction form
    67,018.11/100,550.52 = 44,618.64/x
  3. Step 3: Cross multiply
    67,018.11x = 100,550.52 × 44,618.64
  4. Step 4: Simplify right side
    67,018.11x = 4,486,427,453.69
  5. Step 5: Solve for x
    x = 4,486,427,453.69/67,018.11
  6. Step 6: Final answer
    x = 66,943.51

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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.