Home / 55,375.10-83,074.62-17,938.94

Finding the Fourth Proportional to 55,375.10, 83,074.62 and 17,938.94

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Solution

The fourth proportional to 55,375.10, 83,074.62 and 17,938.94 is: 26,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375.10 : 83,074.62 = 17,938.94 : x
  2. Step 2: Convert to fraction form
    55,375.10/83,074.62 = 17,938.94/x
  3. Step 3: Cross multiply
    55,375.10x = 83,074.62 × 17,938.94
  4. Step 4: Simplify right side
    55,375.10x = 1,490,270,623.70
  5. Step 5: Solve for x
    x = 1,490,270,623.70/55,375.10
  6. Step 6: Final answer
    x = 26,912.29

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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.