Home / 81,766.09-122,647.92-22,600.45

Finding the Fourth Proportional to 81,766.09, 122,647.92 and 22,600.45

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Solution

The fourth proportional to 81,766.09, 122,647.92 and 22,600.45 is: 33,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766.09 : 122,647.92 = 22,600.45 : x
  2. Step 2: Convert to fraction form
    81,766.09/122,647.92 = 22,600.45/x
  3. Step 3: Cross multiply
    81,766.09x = 122,647.92 × 22,600.45
  4. Step 4: Simplify right side
    81,766.09x = 2,771,898,183.56
  5. Step 5: Solve for x
    x = 2,771,898,183.56/81,766.09
  6. Step 6: Final answer
    x = 33,900.34

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1.5x scale

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.