Finding the Fourth Proportional to 87,571.44, 120,855.78 and 49,848.12
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Solution
The fourth proportional to 87,571.44, 120,855.78 and 49,848.12 is: 68,794.50
Step by Step Solution
- Step 1: Write the proportion equation
87,571.44 : 120,855.78 = 49,848.12 : x - Step 2: Convert to fraction form
87,571.44/120,855.78 = 49,848.12/x - Step 3: Cross multiply
87,571.44x = 120,855.78 × 49,848.12 - Step 4: Simplify right side
87,571.44x = 6,024,433,424.13 - Step 5: Solve for x
x = 6,024,433,424.13/87,571.44 - Step 6: Final answer
x = 68,794.50
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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.