Home / 57,183.83-85,782.08-19,739.66

Finding the Fourth Proportional to 57,183.83, 85,782.08 and 19,739.66

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Solution

The fourth proportional to 57,183.83, 85,782.08 and 19,739.66 is: 29,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183.83 : 85,782.08 = 19,739.66 : x
  2. Step 2: Convert to fraction form
    57,183.83/85,782.08 = 19,739.66/x
  3. Step 3: Cross multiply
    57,183.83x = 85,782.08 × 19,739.66
  4. Step 4: Simplify right side
    57,183.83x = 1,693,308,565.68
  5. Step 5: Solve for x
    x = 1,693,308,565.68/57,183.83
  6. Step 6: Final answer
    x = 29,611.67

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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.