Home / 45,221.12-67,793.40-17,125.69

Finding the Fourth Proportional to 45,221.12, 67,793.40 and 17,125.69

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Solution

The fourth proportional to 45,221.12, 67,793.40 and 17,125.69 is: 25,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.12 : 67,793.40 = 17,125.69 : x
  2. Step 2: Convert to fraction form
    45,221.12/67,793.40 = 17,125.69/x
  3. Step 3: Cross multiply
    45,221.12x = 67,793.40 × 17,125.69
  4. Step 4: Simplify right side
    45,221.12x = 1,161,008,413.48
  5. Step 5: Solve for x
    x = 1,161,008,413.48/45,221.12
  6. Step 6: Final answer
    x = 25,674.03

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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.