Home / 67,816.24-101,722.20-17,894.80

Finding the Fourth Proportional to 67,816.24, 101,722.20 and 17,894.80

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Solution

The fourth proportional to 67,816.24, 101,722.20 and 17,894.80 is: 26,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,816.24 : 101,722.20 = 17,894.80 : x
  2. Step 2: Convert to fraction form
    67,816.24/101,722.20 = 17,894.80/x
  3. Step 3: Cross multiply
    67,816.24x = 101,722.20 × 17,894.80
  4. Step 4: Simplify right side
    67,816.24x = 1,820,298,424.56
  5. Step 5: Solve for x
    x = 1,820,298,424.56/67,816.24
  6. Step 6: Final answer
    x = 26,841.63

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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.