Home / 74,621.72-111,971.46-33,059

Finding the Fourth Proportional to 74,621.72, 111,971.46 and 33,059

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Solution

The fourth proportional to 74,621.72, 111,971.46 and 33,059 is: 49,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.72 : 111,971.46 = 33,059 : x
  2. Step 2: Convert to fraction form
    74,621.72/111,971.46 = 33,059/x
  3. Step 3: Cross multiply
    74,621.72x = 111,971.46 × 33,059
  4. Step 4: Simplify right side
    74,621.72x = 3,701,664,496.14
  5. Step 5: Solve for x
    x = 3,701,664,496.14/74,621.72
  6. Step 6: Final answer
    x = 49,605.72

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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.