Home / 84,940.44-127,411.43-25,776.11

Finding the Fourth Proportional to 84,940.44, 127,411.43 and 25,776.11

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Solution

The fourth proportional to 84,940.44, 127,411.43 and 25,776.11 is: 38,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,940.44 : 127,411.43 = 25,776.11 : x
  2. Step 2: Convert to fraction form
    84,940.44/127,411.43 = 25,776.11/x
  3. Step 3: Cross multiply
    84,940.44x = 127,411.43 × 25,776.11
  4. Step 4: Simplify right side
    84,940.44x = 3,284,170,269.00
  5. Step 5: Solve for x
    x = 3,284,170,269.00/84,940.44
  6. Step 6: Final answer
    x = 38,664.39

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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.