Home / 47,679.87-65,647.62-41,993.67

Finding the Fourth Proportional to 47,679.87, 65,647.62 and 41,993.67

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Solution

The fourth proportional to 47,679.87, 65,647.62 and 41,993.67 is: 57,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,679.87 : 65,647.62 = 41,993.67 : x
  2. Step 2: Convert to fraction form
    47,679.87/65,647.62 = 41,993.67/x
  3. Step 3: Cross multiply
    47,679.87x = 65,647.62 × 41,993.67
  4. Step 4: Simplify right side
    47,679.87x = 2,756,784,490.57
  5. Step 5: Solve for x
    x = 2,756,784,490.57/47,679.87
  6. Step 6: Final answer
    x = 57,818.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.