Home / 67,764.07-101,628.39-20,366.49

Finding the Fourth Proportional to 67,764.07, 101,628.39 and 20,366.49

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Solution

The fourth proportional to 67,764.07, 101,628.39 and 20,366.49 is: 30,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,764.07 : 101,628.39 = 20,366.49 : x
  2. Step 2: Convert to fraction form
    67,764.07/101,628.39 = 20,366.49/x
  3. Step 3: Cross multiply
    67,764.07x = 101,628.39 × 20,366.49
  4. Step 4: Simplify right side
    67,764.07x = 2,069,813,588.65
  5. Step 5: Solve for x
    x = 2,069,813,588.65/67,764.07
  6. Step 6: Final answer
    x = 30,544.41

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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.