Home / 103,491.45-155,107.32-44,257.47

Finding the Fourth Proportional to 103,491.45, 155,107.32 and 44,257.47

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Solution

The fourth proportional to 103,491.45, 155,107.32 and 44,257.47 is: 66,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,491.45 : 155,107.32 = 44,257.47 : x
  2. Step 2: Convert to fraction form
    103,491.45/155,107.32 = 44,257.47/x
  3. Step 3: Cross multiply
    103,491.45x = 155,107.32 × 44,257.47
  4. Step 4: Simplify right side
    103,491.45x = 6,864,656,786.14
  5. Step 5: Solve for x
    x = 6,864,656,786.14/103,491.45
  6. Step 6: Final answer
    x = 66,330.67

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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.