Home / 49,857.85-68,663.86-48,769.21

Finding the Fourth Proportional to 49,857.85, 68,663.86 and 48,769.21

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Solution

The fourth proportional to 49,857.85, 68,663.86 and 48,769.21 is: 67,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.85 : 68,663.86 = 48,769.21 : x
  2. Step 2: Convert to fraction form
    49,857.85/68,663.86 = 48,769.21/x
  3. Step 3: Cross multiply
    49,857.85x = 68,663.86 × 48,769.21
  4. Step 4: Simplify right side
    49,857.85x = 3,348,682,207.75
  5. Step 5: Solve for x
    x = 3,348,682,207.75/49,857.85
  6. Step 6: Final answer
    x = 67,164.59

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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.