Home / 69,175.72-103,597.22-39,503.62

Finding the Fourth Proportional to 69,175.72, 103,597.22 and 39,503.62

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Solution

The fourth proportional to 69,175.72, 103,597.22 and 39,503.62 is: 59,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,175.72 : 103,597.22 = 39,503.62 : x
  2. Step 2: Convert to fraction form
    69,175.72/103,597.22 = 39,503.62/x
  3. Step 3: Cross multiply
    69,175.72x = 103,597.22 × 39,503.62
  4. Step 4: Simplify right side
    69,175.72x = 4,092,465,211.94
  5. Step 5: Solve for x
    x = 4,092,465,211.94/69,175.72
  6. Step 6: Final answer
    x = 59,160.43

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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.