Home / 103,640.75-155,534.97-44,493.35

Finding the Fourth Proportional to 103,640.75, 155,534.97 and 44,493.35

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Solution

The fourth proportional to 103,640.75, 155,534.97 and 44,493.35 is: 66,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.75 : 155,534.97 = 44,493.35 : x
  2. Step 2: Convert to fraction form
    103,640.75/155,534.97 = 44,493.35/x
  3. Step 3: Cross multiply
    103,640.75x = 155,534.97 × 44,493.35
  4. Step 4: Simplify right side
    103,640.75x = 6,920,271,857.45
  5. Step 5: Solve for x
    x = 6,920,271,857.45/103,640.75
  6. Step 6: Final answer
    x = 66,771.73

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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.