Home / 44,751.18-67,119.09-11,911.50

Finding the Fourth Proportional to 44,751.18, 67,119.09 and 11,911.50

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Solution

The fourth proportional to 44,751.18, 67,119.09 and 11,911.50 is: 17,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,751.18 : 67,119.09 = 11,911.50 : x
  2. Step 2: Convert to fraction form
    44,751.18/67,119.09 = 11,911.50/x
  3. Step 3: Cross multiply
    44,751.18x = 67,119.09 × 11,911.50
  4. Step 4: Simplify right side
    44,751.18x = 799,489,040.54
  5. Step 5: Solve for x
    x = 799,489,040.54/44,751.18
  6. Step 6: Final answer
    x = 17,865.21

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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.