Home / 67,120.86-100,714.05-47,525.34

Finding the Fourth Proportional to 67,120.86, 100,714.05 and 47,525.34

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Solution

The fourth proportional to 67,120.86, 100,714.05 and 47,525.34 is: 71,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.86 : 100,714.05 = 47,525.34 : x
  2. Step 2: Convert to fraction form
    67,120.86/100,714.05 = 47,525.34/x
  3. Step 3: Cross multiply
    67,120.86x = 100,714.05 × 47,525.34
  4. Step 4: Simplify right side
    67,120.86x = 4,786,469,469.03
  5. Step 5: Solve for x
    x = 4,786,469,469.03/67,120.86
  6. Step 6: Final answer
    x = 71,311.21

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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.