Home / 49,240.98-67,912.43-31,305.15

Finding the Fourth Proportional to 49,240.98, 67,912.43 and 31,305.15

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Solution

The fourth proportional to 49,240.98, 67,912.43 and 31,305.15 is: 43,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,240.98 : 67,912.43 = 31,305.15 : x
  2. Step 2: Convert to fraction form
    49,240.98/67,912.43 = 31,305.15/x
  3. Step 3: Cross multiply
    49,240.98x = 67,912.43 × 31,305.15
  4. Step 4: Simplify right side
    49,240.98x = 2,126,008,651.49
  5. Step 5: Solve for x
    x = 2,126,008,651.49/49,240.98
  6. Step 6: Final answer
    x = 43,175.60

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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.