Home / 44,712.97-67,079.82-13,121.75

Finding the Fourth Proportional to 44,712.97, 67,079.82 and 13,121.75

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Solution

The fourth proportional to 44,712.97, 67,079.82 and 13,121.75 is: 19,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712.97 : 67,079.82 = 13,121.75 : x
  2. Step 2: Convert to fraction form
    44,712.97/67,079.82 = 13,121.75/x
  3. Step 3: Cross multiply
    44,712.97x = 67,079.82 × 13,121.75
  4. Step 4: Simplify right side
    44,712.97x = 880,204,628.09
  5. Step 5: Solve for x
    x = 880,204,628.09/44,712.97
  6. Step 6: Final answer
    x = 19,685.67

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1.5x scale

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.