Home / 67,057.04-100,604.39-19,673.25

Finding the Fourth Proportional to 67,057.04, 100,604.39 and 19,673.25

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Solution

The fourth proportional to 67,057.04, 100,604.39 and 19,673.25 is: 29,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,057.04 : 100,604.39 = 19,673.25 : x
  2. Step 2: Convert to fraction form
    67,057.04/100,604.39 = 19,673.25/x
  3. Step 3: Cross multiply
    67,057.04x = 100,604.39 × 19,673.25
  4. Step 4: Simplify right side
    67,057.04x = 1,979,215,315.57
  5. Step 5: Solve for x
    x = 1,979,215,315.57/67,057.04
  6. Step 6: Final answer
    x = 29,515.40

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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.