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Finding the Fourth Proportional to 80,558.44, 120,837.71 and 30,627

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Solution

The fourth proportional to 80,558.44, 120,837.71 and 30,627 is: 45,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,558.44 : 120,837.71 = 30,627 : x
  2. Step 2: Convert to fraction form
    80,558.44/120,837.71 = 30,627/x
  3. Step 3: Cross multiply
    80,558.44x = 120,837.71 × 30,627
  4. Step 4: Simplify right side
    80,558.44x = 3,700,896,544.17
  5. Step 5: Solve for x
    x = 3,700,896,544.17/80,558.44
  6. Step 6: Final answer
    x = 45,940.52

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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.