Home / 170,021.78-255,046.94-51,694.14

Finding the Fourth Proportional to 170,021.78, 255,046.94 and 51,694.14

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Solution

The fourth proportional to 170,021.78, 255,046.94 and 51,694.14 is: 77,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,021.78 : 255,046.94 = 51,694.14 : x
  2. Step 2: Convert to fraction form
    170,021.78/255,046.94 = 51,694.14/x
  3. Step 3: Cross multiply
    170,021.78x = 255,046.94 × 51,694.14
  4. Step 4: Simplify right side
    170,021.78x = 13,184,432,352.17
  5. Step 5: Solve for x
    x = 13,184,432,352.17/170,021.78
  6. Step 6: Final answer
    x = 77,545.55

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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.