Home / 49,195.42-67,899.78-31,286.98

Finding the Fourth Proportional to 49,195.42, 67,899.78 and 31,286.98

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Solution

The fourth proportional to 49,195.42, 67,899.78 and 31,286.98 is: 43,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,195.42 : 67,899.78 = 31,286.98 : x
  2. Step 2: Convert to fraction form
    49,195.42/67,899.78 = 31,286.98/x
  3. Step 3: Cross multiply
    49,195.42x = 67,899.78 × 31,286.98
  4. Step 4: Simplify right side
    49,195.42x = 2,124,379,058.86
  5. Step 5: Solve for x
    x = 2,124,379,058.86/49,195.42
  6. Step 6: Final answer
    x = 43,182.46

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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.