Finding the Fourth Proportional to 87,682.51, 120,997.33 and 49,440.99
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Solution
The fourth proportional to 87,682.51, 120,997.33 and 49,440.99 is: 68,226.01
Step by Step Solution
- Step 1: Write the proportion equation
87,682.51 : 120,997.33 = 49,440.99 : x - Step 2: Convert to fraction form
87,682.51/120,997.33 = 49,440.99/x - Step 3: Cross multiply
87,682.51x = 120,997.33 × 49,440.99 - Step 4: Simplify right side
87,682.51x = 5,982,228,112.69 - Step 5: Solve for x
x = 5,982,228,112.69/87,682.51 - Step 6: Final answer
x = 68,226.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.