Home / 53,911.10-80,939.55-34,228.10

Finding the Fourth Proportional to 53,911.10, 80,939.55 and 34,228.10

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Solution

The fourth proportional to 53,911.10, 80,939.55 and 34,228.10 is: 51,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.10 : 80,939.55 = 34,228.10 : x
  2. Step 2: Convert to fraction form
    53,911.10/80,939.55 = 34,228.10/x
  3. Step 3: Cross multiply
    53,911.10x = 80,939.55 × 34,228.10
  4. Step 4: Simplify right side
    53,911.10x = 2,770,407,011.36
  5. Step 5: Solve for x
    x = 2,770,407,011.36/53,911.10
  6. Step 6: Final answer
    x = 51,388.43

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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.