Home / 74,511.28-111,768.94-21,922.44

Finding the Fourth Proportional to 74,511.28, 111,768.94 and 21,922.44

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Solution

The fourth proportional to 74,511.28, 111,768.94 and 21,922.44 is: 32,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511.28 : 111,768.94 = 21,922.44 : x
  2. Step 2: Convert to fraction form
    74,511.28/111,768.94 = 21,922.44/x
  3. Step 3: Cross multiply
    74,511.28x = 111,768.94 × 21,922.44
  4. Step 4: Simplify right side
    74,511.28x = 2,450,247,881.01
  5. Step 5: Solve for x
    x = 2,450,247,881.01/74,511.28
  6. Step 6: Final answer
    x = 32,884.25

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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.