Home / 74,121.58-111,193.14-24,189.38

Finding the Fourth Proportional to 74,121.58, 111,193.14 and 24,189.38

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Solution

The fourth proportional to 74,121.58, 111,193.14 and 24,189.38 is: 36,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,121.58 : 111,193.14 = 24,189.38 : x
  2. Step 2: Convert to fraction form
    74,121.58/111,193.14 = 24,189.38/x
  3. Step 3: Cross multiply
    74,121.58x = 111,193.14 × 24,189.38
  4. Step 4: Simplify right side
    74,121.58x = 2,689,693,116.85
  5. Step 5: Solve for x
    x = 2,689,693,116.85/74,121.58
  6. Step 6: Final answer
    x = 36,287.58

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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.