Home / 51,174.85-70,621.43-29,668.77

Finding the Fourth Proportional to 51,174.85, 70,621.43 and 29,668.77

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Solution

The fourth proportional to 51,174.85, 70,621.43 and 29,668.77 is: 40,942.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.85 : 70,621.43 = 29,668.77 : x
  2. Step 2: Convert to fraction form
    51,174.85/70,621.43 = 29,668.77/x
  3. Step 3: Cross multiply
    51,174.85x = 70,621.43 × 29,668.77
  4. Step 4: Simplify right side
    51,174.85x = 2,095,251,198.14
  5. Step 5: Solve for x
    x = 2,095,251,198.14/51,174.85
  6. Step 6: Final answer
    x = 40,942.99

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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.