Home / 55,113.28-82,682.91-15,670.73

Finding the Fourth Proportional to 55,113.28, 82,682.91 and 15,670.73

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Solution

The fourth proportional to 55,113.28, 82,682.91 and 15,670.73 is: 23,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,113.28 : 82,682.91 = 15,670.73 : x
  2. Step 2: Convert to fraction form
    55,113.28/82,682.91 = 15,670.73/x
  3. Step 3: Cross multiply
    55,113.28x = 82,682.91 × 15,670.73
  4. Step 4: Simplify right side
    55,113.28x = 1,295,701,764.93
  5. Step 5: Solve for x
    x = 1,295,701,764.93/55,113.28
  6. Step 6: Final answer
    x = 23,509.79

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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.