Home / 69,135.24-103,758.22-31,712.94

Finding the Fourth Proportional to 69,135.24, 103,758.22 and 31,712.94

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Solution

The fourth proportional to 69,135.24, 103,758.22 and 31,712.94 is: 47,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.24 : 103,758.22 = 31,712.94 : x
  2. Step 2: Convert to fraction form
    69,135.24/103,758.22 = 31,712.94/x
  3. Step 3: Cross multiply
    69,135.24x = 103,758.22 × 31,712.94
  4. Step 4: Simplify right side
    69,135.24x = 3,290,478,205.37
  5. Step 5: Solve for x
    x = 3,290,478,205.37/69,135.24
  6. Step 6: Final answer
    x = 47,594.80

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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.