Home / 67,982.70-102,038.91-41,738.70

Finding the Fourth Proportional to 67,982.70, 102,038.91 and 41,738.70

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Solution

The fourth proportional to 67,982.70, 102,038.91 and 41,738.70 is: 62,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982.70 : 102,038.91 = 41,738.70 : x
  2. Step 2: Convert to fraction form
    67,982.70/102,038.91 = 41,738.70/x
  3. Step 3: Cross multiply
    67,982.70x = 102,038.91 × 41,738.70
  4. Step 4: Simplify right side
    67,982.70x = 4,258,971,452.82
  5. Step 5: Solve for x
    x = 4,258,971,452.82/67,982.70
  6. Step 6: Final answer
    x = 62,647.87

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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.