Home / 66,817.54-100,194.98-38,745.57

Finding the Fourth Proportional to 66,817.54, 100,194.98 and 38,745.57

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Solution

The fourth proportional to 66,817.54, 100,194.98 and 38,745.57 is: 58,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,817.54 : 100,194.98 = 38,745.57 : x
  2. Step 2: Convert to fraction form
    66,817.54/100,194.98 = 38,745.57/x
  3. Step 3: Cross multiply
    66,817.54x = 100,194.98 × 38,745.57
  4. Step 4: Simplify right side
    66,817.54x = 3,882,111,793.24
  5. Step 5: Solve for x
    x = 3,882,111,793.24/66,817.54
  6. Step 6: Final answer
    x = 58,100.19

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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.