Home / 103,922.67-155,821.54-40,667.34

Finding the Fourth Proportional to 103,922.67, 155,821.54 and 40,667.34

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Solution

The fourth proportional to 103,922.67, 155,821.54 and 40,667.34 is: 60,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922.67 : 155,821.54 = 40,667.34 : x
  2. Step 2: Convert to fraction form
    103,922.67/155,821.54 = 40,667.34/x
  3. Step 3: Cross multiply
    103,922.67x = 155,821.54 × 40,667.34
  4. Step 4: Simplify right side
    103,922.67x = 6,336,847,546.50
  5. Step 5: Solve for x
    x = 6,336,847,546.50/103,922.67
  6. Step 6: Final answer
    x = 60,976.57

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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.