Home / 62,721.82-93,910.56-40,480.12

Finding the Fourth Proportional to 62,721.82, 93,910.56 and 40,480.12

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Solution

The fourth proportional to 62,721.82, 93,910.56 and 40,480.12 is: 60,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,721.82 : 93,910.56 = 40,480.12 : x
  2. Step 2: Convert to fraction form
    62,721.82/93,910.56 = 40,480.12/x
  3. Step 3: Cross multiply
    62,721.82x = 93,910.56 × 40,480.12
  4. Step 4: Simplify right side
    62,721.82x = 3,801,510,738.07
  5. Step 5: Solve for x
    x = 3,801,510,738.07/62,721.82
  6. Step 6: Final answer
    x = 60,609.06

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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.