Home / 81,734.32-122,599.05-22,573.54

Finding the Fourth Proportional to 81,734.32, 122,599.05 and 22,573.54

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Solution

The fourth proportional to 81,734.32, 122,599.05 and 22,573.54 is: 33,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,734.32 : 122,599.05 = 22,573.54 : x
  2. Step 2: Convert to fraction form
    81,734.32/122,599.05 = 22,573.54/x
  3. Step 3: Cross multiply
    81,734.32x = 122,599.05 × 22,573.54
  4. Step 4: Simplify right side
    81,734.32x = 2,767,494,559.14
  5. Step 5: Solve for x
    x = 2,767,494,559.14/81,734.32
  6. Step 6: Final answer
    x = 33,859.64

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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.