Home / 74,930.66-112,400.32-28,183.94

Finding the Fourth Proportional to 74,930.66, 112,400.32 and 28,183.94

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Solution

The fourth proportional to 74,930.66, 112,400.32 and 28,183.94 is: 42,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.66 : 112,400.32 = 28,183.94 : x
  2. Step 2: Convert to fraction form
    74,930.66/112,400.32 = 28,183.94/x
  3. Step 3: Cross multiply
    74,930.66x = 112,400.32 × 28,183.94
  4. Step 4: Simplify right side
    74,930.66x = 3,167,883,874.86
  5. Step 5: Solve for x
    x = 3,167,883,874.86/74,930.66
  6. Step 6: Final answer
    x = 42,277.54

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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.