Home / 50,283.78-69,424.08-31,183.86

Finding the Fourth Proportional to 50,283.78, 69,424.08 and 31,183.86

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Solution

The fourth proportional to 50,283.78, 69,424.08 and 31,183.86 is: 43,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,283.78 : 69,424.08 = 31,183.86 : x
  2. Step 2: Convert to fraction form
    50,283.78/69,424.08 = 31,183.86/x
  3. Step 3: Cross multiply
    50,283.78x = 69,424.08 × 31,183.86
  4. Step 4: Simplify right side
    50,283.78x = 2,164,910,791.35
  5. Step 5: Solve for x
    x = 2,164,910,791.35/50,283.78
  6. Step 6: Final answer
    x = 43,053.86

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1.5x scale

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.