Home / 54,743.86-82,108.68-17,307.70

Finding the Fourth Proportional to 54,743.86, 82,108.68 and 17,307.70

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Solution

The fourth proportional to 54,743.86, 82,108.68 and 17,307.70 is: 25,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.86 : 82,108.68 = 17,307.70 : x
  2. Step 2: Convert to fraction form
    54,743.86/82,108.68 = 17,307.70/x
  3. Step 3: Cross multiply
    54,743.86x = 82,108.68 × 17,307.70
  4. Step 4: Simplify right side
    54,743.86x = 1,421,112,400.84
  5. Step 5: Solve for x
    x = 1,421,112,400.84/54,743.86
  6. Step 6: Final answer
    x = 25,959.30

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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.