Home / 66,193.49-99,234.43-28,725.34

Finding the Fourth Proportional to 66,193.49, 99,234.43 and 28,725.34

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Solution

The fourth proportional to 66,193.49, 99,234.43 and 28,725.34 is: 43,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,193.49 : 99,234.43 = 28,725.34 : x
  2. Step 2: Convert to fraction form
    66,193.49/99,234.43 = 28,725.34/x
  3. Step 3: Cross multiply
    66,193.49x = 99,234.43 × 28,725.34
  4. Step 4: Simplify right side
    66,193.49x = 2,850,542,858.15
  5. Step 5: Solve for x
    x = 2,850,542,858.15/66,193.49
  6. Step 6: Final answer
    x = 43,063.79

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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.