Finding the Fourth Proportional to 81,523.14, 122,272.11 and 33,496.62
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Solution
The fourth proportional to 81,523.14, 122,272.11 and 33,496.62 is: 50,239.75
Step by Step Solution
- Step 1: Write the proportion equation
81,523.14 : 122,272.11 = 33,496.62 : x - Step 2: Convert to fraction form
81,523.14/122,272.11 = 33,496.62/x - Step 3: Cross multiply
81,523.14x = 122,272.11 × 33,496.62 - Step 4: Simplify right side
81,523.14x = 4,095,702,405.27 - Step 5: Solve for x
x = 4,095,702,405.27/81,523.14 - Step 6: Final answer
x = 50,239.75
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1.5x scale
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.