Home / 69,175.21-103,596.48-39,503.11

Finding the Fourth Proportional to 69,175.21, 103,596.48 and 39,503.11

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Solution

The fourth proportional to 69,175.21, 103,596.48 and 39,503.11 is: 59,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,175.21 : 103,596.48 = 39,503.11 : x
  2. Step 2: Convert to fraction form
    69,175.21/103,596.48 = 39,503.11/x
  3. Step 3: Cross multiply
    69,175.21x = 103,596.48 × 39,503.11
  4. Step 4: Simplify right side
    69,175.21x = 4,092,383,145.05
  5. Step 5: Solve for x
    x = 4,092,383,145.05/69,175.21
  6. Step 6: Final answer
    x = 59,159.68

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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.