Home / 69,662.12-96,163.16-47,031.77

Finding the Fourth Proportional to 69,662.12, 96,163.16 and 47,031.77

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Solution

The fourth proportional to 69,662.12, 96,163.16 and 47,031.77 is: 64,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.12 : 96,163.16 = 47,031.77 : x
  2. Step 2: Convert to fraction form
    69,662.12/96,163.16 = 47,031.77/x
  3. Step 3: Cross multiply
    69,662.12x = 96,163.16 × 47,031.77
  4. Step 4: Simplify right side
    69,662.12x = 4,522,722,907.62
  5. Step 5: Solve for x
    x = 4,522,722,907.62/69,662.12
  6. Step 6: Final answer
    x = 64,923.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.