Finding the Fourth Proportional to 68,982.64, 103,493.06 and 27,458.80
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Solution
The fourth proportional to 68,982.64, 103,493.06 and 27,458.80 is: 41,195.80
Step by Step Solution
- Step 1: Write the proportion equation
68,982.64 : 103,493.06 = 27,458.80 : x - Step 2: Convert to fraction form
68,982.64/103,493.06 = 27,458.80/x - Step 3: Cross multiply
68,982.64x = 103,493.06 × 27,458.80 - Step 4: Simplify right side
68,982.64x = 2,841,795,235.93 - Step 5: Solve for x
x = 2,841,795,235.93/68,982.64 - Step 6: Final answer
x = 41,195.80
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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.