Home / 54,039.30-80,998.20-25,972.80

Finding the Fourth Proportional to 54,039.30, 80,998.20 and 25,972.80

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Solution

The fourth proportional to 54,039.30, 80,998.20 and 25,972.80 is: 38,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.30 : 80,998.20 = 25,972.80 : x
  2. Step 2: Convert to fraction form
    54,039.30/80,998.20 = 25,972.80/x
  3. Step 3: Cross multiply
    54,039.30x = 80,998.20 × 25,972.80
  4. Step 4: Simplify right side
    54,039.30x = 2,103,750,048.96
  5. Step 5: Solve for x
    x = 2,103,750,048.96/54,039.30
  6. Step 6: Final answer
    x = 38,930.00

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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.