Home / 84,961.89-127,267.83-49,816.80

Finding the Fourth Proportional to 84,961.89, 127,267.83 and 49,816.80

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Solution

The fourth proportional to 84,961.89, 127,267.83 and 49,816.80 is: 74,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,961.89 : 127,267.83 = 49,816.80 : x
  2. Step 2: Convert to fraction form
    84,961.89/127,267.83 = 49,816.80/x
  3. Step 3: Cross multiply
    84,961.89x = 127,267.83 × 49,816.80
  4. Step 4: Simplify right side
    84,961.89x = 6,340,076,033.54
  5. Step 5: Solve for x
    x = 6,340,076,033.54/84,961.89
  6. Step 6: Final answer
    x = 74,622.59

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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.