Home / 67,758.12-101,596.05-30,311.19

Finding the Fourth Proportional to 67,758.12, 101,596.05 and 30,311.19

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Solution

The fourth proportional to 67,758.12, 101,596.05 and 30,311.19 is: 45,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,758.12 : 101,596.05 = 30,311.19 : x
  2. Step 2: Convert to fraction form
    67,758.12/101,596.05 = 30,311.19/x
  3. Step 3: Cross multiply
    67,758.12x = 101,596.05 × 30,311.19
  4. Step 4: Simplify right side
    67,758.12x = 3,079,497,174.80
  5. Step 5: Solve for x
    x = 3,079,497,174.80/67,758.12
  6. Step 6: Final answer
    x = 45,448.39

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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.