Home / 43,183.77-64,775.79-12,019.02

Finding the Fourth Proportional to 43,183.77, 64,775.79 and 12,019.02

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Solution

The fourth proportional to 43,183.77, 64,775.79 and 12,019.02 is: 18,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.77 : 64,775.79 = 12,019.02 : x
  2. Step 2: Convert to fraction form
    43,183.77/64,775.79 = 12,019.02/x
  3. Step 3: Cross multiply
    43,183.77x = 64,775.79 × 12,019.02
  4. Step 4: Simplify right side
    43,183.77x = 778,541,515.53
  5. Step 5: Solve for x
    x = 778,541,515.53/43,183.77
  6. Step 6: Final answer
    x = 18,028.57

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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.