Home / 67,782.20-101,694.55-40,793.98

Finding the Fourth Proportional to 67,782.20, 101,694.55 and 40,793.98

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Solution

The fourth proportional to 67,782.20, 101,694.55 and 40,793.98 is: 61,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,782.20 : 101,694.55 = 40,793.98 : x
  2. Step 2: Convert to fraction form
    67,782.20/101,694.55 = 40,793.98/x
  3. Step 3: Cross multiply
    67,782.20x = 101,694.55 × 40,793.98
  4. Step 4: Simplify right side
    67,782.20x = 4,148,525,234.84
  5. Step 5: Solve for x
    x = 4,148,525,234.84/67,782.20
  6. Step 6: Final answer
    x = 61,203.76

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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.