Finding the Fourth Proportional to 71,571.74, 107,357.63 and 27,188.01
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Solution
The fourth proportional to 71,571.74, 107,357.63 and 27,188.01 is: 40,782.02
Step by Step Solution
- Step 1: Write the proportion equation
71,571.74 : 107,357.63 = 27,188.01 : x - Step 2: Convert to fraction form
71,571.74/107,357.63 = 27,188.01/x - Step 3: Cross multiply
71,571.74x = 107,357.63 × 27,188.01 - Step 4: Simplify right side
71,571.74x = 2,918,840,182.08 - Step 5: Solve for x
x = 2,918,840,182.08/71,571.74 - Step 6: Final answer
x = 40,782.02
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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.