Home / 41,705.70-62,704.35-40,830.90

Finding the Fourth Proportional to 41,705.70, 62,704.35 and 40,830.90

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Solution

The fourth proportional to 41,705.70, 62,704.35 and 40,830.90 is: 61,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,705.70 : 62,704.35 = 40,830.90 : x
  2. Step 2: Convert to fraction form
    41,705.70/62,704.35 = 40,830.90/x
  3. Step 3: Cross multiply
    41,705.70x = 62,704.35 × 40,830.90
  4. Step 4: Simplify right side
    41,705.70x = 2,560,275,044.42
  5. Step 5: Solve for x
    x = 2,560,275,044.42/41,705.70
  6. Step 6: Final answer
    x = 61,389.09

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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.