Home / 54,743.70-82,128.06-17,303.58

Finding the Fourth Proportional to 54,743.70, 82,128.06 and 17,303.58

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Solution

The fourth proportional to 54,743.70, 82,128.06 and 17,303.58 is: 25,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.70 : 82,128.06 = 17,303.58 : x
  2. Step 2: Convert to fraction form
    54,743.70/82,128.06 = 17,303.58/x
  3. Step 3: Cross multiply
    54,743.70x = 82,128.06 × 17,303.58
  4. Step 4: Simplify right side
    54,743.70x = 1,421,109,456.45
  5. Step 5: Solve for x
    x = 1,421,109,456.45/54,743.70
  6. Step 6: Final answer
    x = 25,959.32

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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.