Home / 103,626.35-155,521.55-40,476.73

Finding the Fourth Proportional to 103,626.35, 155,521.55 and 40,476.73

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Solution

The fourth proportional to 103,626.35, 155,521.55 and 40,476.73 is: 60,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.35 : 155,521.55 = 40,476.73 : x
  2. Step 2: Convert to fraction form
    103,626.35/155,521.55 = 40,476.73/x
  3. Step 3: Cross multiply
    103,626.35x = 155,521.55 × 40,476.73
  4. Step 4: Simplify right side
    103,626.35x = 6,295,003,788.53
  5. Step 5: Solve for x
    x = 6,295,003,788.53/103,626.35
  6. Step 6: Final answer
    x = 60,747.13

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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.