Home / 67,247.21-100,674.90-52,410.85

Finding the Fourth Proportional to 67,247.21, 100,674.90 and 52,410.85

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Solution

The fourth proportional to 67,247.21, 100,674.90 and 52,410.85 is: 78,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.21 : 100,674.90 = 52,410.85 : x
  2. Step 2: Convert to fraction form
    67,247.21/100,674.90 = 52,410.85/x
  3. Step 3: Cross multiply
    67,247.21x = 100,674.90 × 52,410.85
  4. Step 4: Simplify right side
    67,247.21x = 5,276,456,830.98
  5. Step 5: Solve for x
    x = 5,276,456,830.98/67,247.21
  6. Step 6: Final answer
    x = 78,463.58

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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.