Home / 67,745.05-101,623.39-17,825.42

Finding the Fourth Proportional to 67,745.05, 101,623.39 and 17,825.42

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Solution

The fourth proportional to 67,745.05, 101,623.39 and 17,825.42 is: 26,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,745.05 : 101,623.39 = 17,825.42 : x
  2. Step 2: Convert to fraction form
    67,745.05/101,623.39 = 17,825.42/x
  3. Step 3: Cross multiply
    67,745.05x = 101,623.39 × 17,825.42
  4. Step 4: Simplify right side
    67,745.05x = 1,811,479,818.07
  5. Step 5: Solve for x
    x = 1,811,479,818.07/67,745.05
  6. Step 6: Final answer
    x = 26,739.66

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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.