Home / 61,739.74-92,622.58-20,183.50

Finding the Fourth Proportional to 61,739.74, 92,622.58 and 20,183.50

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Solution

The fourth proportional to 61,739.74, 92,622.58 and 20,183.50 is: 30,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.74 : 92,622.58 = 20,183.50 : x
  2. Step 2: Convert to fraction form
    61,739.74/92,622.58 = 20,183.50/x
  3. Step 3: Cross multiply
    61,739.74x = 92,622.58 × 20,183.50
  4. Step 4: Simplify right side
    61,739.74x = 1,869,447,843.43
  5. Step 5: Solve for x
    x = 1,869,447,843.43/61,739.74
  6. Step 6: Final answer
    x = 30,279.49

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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.