Home / 43,183.27-64,775.04-12,018.52

Finding the Fourth Proportional to 43,183.27, 64,775.04 and 12,018.52

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Solution

The fourth proportional to 43,183.27, 64,775.04 and 12,018.52 is: 18,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.27 : 64,775.04 = 12,018.52 : x
  2. Step 2: Convert to fraction form
    43,183.27/64,775.04 = 12,018.52/x
  3. Step 3: Cross multiply
    43,183.27x = 64,775.04 × 12,018.52
  4. Step 4: Simplify right side
    43,183.27x = 778,500,113.74
  5. Step 5: Solve for x
    x = 778,500,113.74/43,183.27
  6. Step 6: Final answer
    x = 18,027.82

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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.