Home / 118,618.56-177,921.60-29,872

Finding the Fourth Proportional to 118,618.56, 177,921.60 and 29,872

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Solution

The fourth proportional to 118,618.56, 177,921.60 and 29,872 is: 44,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,618.56 : 177,921.60 = 29,872 : x
  2. Step 2: Convert to fraction form
    118,618.56/177,921.60 = 29,872/x
  3. Step 3: Cross multiply
    118,618.56x = 177,921.60 × 29,872
  4. Step 4: Simplify right side
    118,618.56x = 5,314,874,035.20
  5. Step 5: Solve for x
    x = 5,314,874,035.20/118,618.56
  6. Step 6: Final answer
    x = 44,806.43

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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.