Finding the Fourth Proportional to 107,907.80, 161,880.20 and 33,026.09
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Solution
The fourth proportional to 107,907.80, 161,880.20 and 33,026.09 is: 49,544.80
Step by Step Solution
- Step 1: Write the proportion equation
107,907.80 : 161,880.20 = 33,026.09 : x - Step 2: Convert to fraction form
107,907.80/161,880.20 = 33,026.09/x - Step 3: Cross multiply
107,907.80x = 161,880.20 × 33,026.09 - Step 4: Simplify right side
107,907.80x = 5,346,270,054.42 - Step 5: Solve for x
x = 5,346,270,054.42/107,907.80 - Step 6: Final answer
x = 49,544.80
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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.