Home / 45,065.68-67,539.39-33,163.75

Finding the Fourth Proportional to 45,065.68, 67,539.39 and 33,163.75

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Solution

The fourth proportional to 45,065.68, 67,539.39 and 33,163.75 is: 49,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,065.68 : 67,539.39 = 33,163.75 : x
  2. Step 2: Convert to fraction form
    45,065.68/67,539.39 = 33,163.75/x
  3. Step 3: Cross multiply
    45,065.68x = 67,539.39 × 33,163.75
  4. Step 4: Simplify right side
    45,065.68x = 2,239,859,305.08
  5. Step 5: Solve for x
    x = 2,239,859,305.08/45,065.68
  6. Step 6: Final answer
    x = 49,702.10

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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.