Home / 53,970.20-80,858.10-33,169.40

Finding the Fourth Proportional to 53,970.20, 80,858.10 and 33,169.40

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Solution

The fourth proportional to 53,970.20, 80,858.10 and 33,169.40 is: 49,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.20 : 80,858.10 = 33,169.40 : x
  2. Step 2: Convert to fraction form
    53,970.20/80,858.10 = 33,169.40/x
  3. Step 3: Cross multiply
    53,970.20x = 80,858.10 × 33,169.40
  4. Step 4: Simplify right side
    53,970.20x = 2,682,014,662.14
  5. Step 5: Solve for x
    x = 2,682,014,662.14/53,970.20
  6. Step 6: Final answer
    x = 49,694.36

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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.