Home / 103,361.03-155,042.15-36,803.73

Finding the Fourth Proportional to 103,361.03, 155,042.15 and 36,803.73

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Solution

The fourth proportional to 103,361.03, 155,042.15 and 36,803.73 is: 55,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,361.03 : 155,042.15 = 36,803.73 : x
  2. Step 2: Convert to fraction form
    103,361.03/155,042.15 = 36,803.73/x
  3. Step 3: Cross multiply
    103,361.03x = 155,042.15 × 36,803.73
  4. Step 4: Simplify right side
    103,361.03x = 5,706,129,427.22
  5. Step 5: Solve for x
    x = 5,706,129,427.22/103,361.03
  6. Step 6: Final answer
    x = 55,205.81

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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.