Home / 62,812.72-94,198.82-20,682.78

Finding the Fourth Proportional to 62,812.72, 94,198.82 and 20,682.78

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Solution

The fourth proportional to 62,812.72, 94,198.82 and 20,682.78 is: 31,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,812.72 : 94,198.82 = 20,682.78 : x
  2. Step 2: Convert to fraction form
    62,812.72/94,198.82 = 20,682.78/x
  3. Step 3: Cross multiply
    62,812.72x = 94,198.82 × 20,682.78
  4. Step 4: Simplify right side
    62,812.72x = 1,948,293,454.69
  5. Step 5: Solve for x
    x = 1,948,293,454.69/62,812.72
  6. Step 6: Final answer
    x = 31,017.50

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1.5x scale

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.