Home / 49,401.49-74,102.42-11,961.50

Finding the Fourth Proportional to 49,401.49, 74,102.42 and 11,961.50

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Solution

The fourth proportional to 49,401.49, 74,102.42 and 11,961.50 is: 17,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,401.49 : 74,102.42 = 11,961.50 : x
  2. Step 2: Convert to fraction form
    49,401.49/74,102.42 = 11,961.50/x
  3. Step 3: Cross multiply
    49,401.49x = 74,102.42 × 11,961.50
  4. Step 4: Simplify right side
    49,401.49x = 886,376,096.83
  5. Step 5: Solve for x
    x = 886,376,096.83/49,401.49
  6. Step 6: Final answer
    x = 17,942.29

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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.