Home / 81,922.95-122,726.97-50,240.62

Finding the Fourth Proportional to 81,922.95, 122,726.97 and 50,240.62

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Solution

The fourth proportional to 81,922.95, 122,726.97 and 50,240.62 is: 75,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,922.95 : 122,726.97 = 50,240.62 : x
  2. Step 2: Convert to fraction form
    81,922.95/122,726.97 = 50,240.62/x
  3. Step 3: Cross multiply
    81,922.95x = 122,726.97 × 50,240.62
  4. Step 4: Simplify right side
    81,922.95x = 6,165,879,063.52
  5. Step 5: Solve for x
    x = 6,165,879,063.52/81,922.95
  6. Step 6: Final answer
    x = 75,264.37

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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.