Home / 67,041.56-100,562.26-17,121.70

Finding the Fourth Proportional to 67,041.56, 100,562.26 and 17,121.70

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Solution

The fourth proportional to 67,041.56, 100,562.26 and 17,121.70 is: 25,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041.56 : 100,562.26 = 17,121.70 : x
  2. Step 2: Convert to fraction form
    67,041.56/100,562.26 = 17,121.70/x
  3. Step 3: Cross multiply
    67,041.56x = 100,562.26 × 17,121.70
  4. Step 4: Simplify right side
    67,041.56x = 1,721,796,847.04
  5. Step 5: Solve for x
    x = 1,721,796,847.04/67,041.56
  6. Step 6: Final answer
    x = 25,682.53

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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.