Home / 112,564.21-168,821.19-33,668.20

Finding the Fourth Proportional to 112,564.21, 168,821.19 and 33,668.20

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Solution

The fourth proportional to 112,564.21, 168,821.19 and 33,668.20 is: 50,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,564.21 : 168,821.19 = 33,668.20 : x
  2. Step 2: Convert to fraction form
    112,564.21/168,821.19 = 33,668.20/x
  3. Step 3: Cross multiply
    112,564.21x = 168,821.19 × 33,668.20
  4. Step 4: Simplify right side
    112,564.21x = 5,683,905,589.16
  5. Step 5: Solve for x
    x = 5,683,905,589.16/112,564.21
  6. Step 6: Final answer
    x = 50,494.79

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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.