Home / 67,108.44-100,677.18-20,364.84

Finding the Fourth Proportional to 67,108.44, 100,677.18 and 20,364.84

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Solution

The fourth proportional to 67,108.44, 100,677.18 and 20,364.84 is: 30,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,108.44 : 100,677.18 = 20,364.84 : x
  2. Step 2: Convert to fraction form
    67,108.44/100,677.18 = 20,364.84/x
  3. Step 3: Cross multiply
    67,108.44x = 100,677.18 × 20,364.84
  4. Step 4: Simplify right side
    67,108.44x = 2,050,274,662.35
  5. Step 5: Solve for x
    x = 2,050,274,662.35/67,108.44
  6. Step 6: Final answer
    x = 30,551.67

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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.