Home / 74,919.78-112,366.08-32,791.68

Finding the Fourth Proportional to 74,919.78, 112,366.08 and 32,791.68

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Solution

The fourth proportional to 74,919.78, 112,366.08 and 32,791.68 is: 49,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.78 : 112,366.08 = 32,791.68 : x
  2. Step 2: Convert to fraction form
    74,919.78/112,366.08 = 32,791.68/x
  3. Step 3: Cross multiply
    74,919.78x = 112,366.08 × 32,791.68
  4. Step 4: Simplify right side
    74,919.78x = 3,684,672,538.21
  5. Step 5: Solve for x
    x = 3,684,672,538.21/74,919.78
  6. Step 6: Final answer
    x = 49,181.57

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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.