Home / 54,820.08-82,220.76-19,754.64

Finding the Fourth Proportional to 54,820.08, 82,220.76 and 19,754.64

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Solution

The fourth proportional to 54,820.08, 82,220.76 and 19,754.64 is: 29,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.08 : 82,220.76 = 19,754.64 : x
  2. Step 2: Convert to fraction form
    54,820.08/82,220.76 = 19,754.64/x
  3. Step 3: Cross multiply
    54,820.08x = 82,220.76 × 19,754.64
  4. Step 4: Simplify right side
    54,820.08x = 1,624,241,514.33
  5. Step 5: Solve for x
    x = 1,624,241,514.33/54,820.08
  6. Step 6: Final answer
    x = 29,628.59

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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.