Home / 69,722.09-104,582.21-17,132.03

Finding the Fourth Proportional to 69,722.09, 104,582.21 and 17,132.03

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Solution

The fourth proportional to 69,722.09, 104,582.21 and 17,132.03 is: 25,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,722.09 : 104,582.21 = 17,132.03 : x
  2. Step 2: Convert to fraction form
    69,722.09/104,582.21 = 17,132.03/x
  3. Step 3: Cross multiply
    69,722.09x = 104,582.21 × 17,132.03
  4. Step 4: Simplify right side
    69,722.09x = 1,791,704,950.62
  5. Step 5: Solve for x
    x = 1,791,704,950.62/69,722.09
  6. Step 6: Final answer
    x = 25,697.81

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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.