Finding the Fourth Proportional to 80,260.68, 110,761.26 and 48,028.44
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Solution
The fourth proportional to 80,260.68, 110,761.26 and 48,028.44 is: 66,280.16
Step by Step Solution
- Step 1: Write the proportion equation
80,260.68 : 110,761.26 = 48,028.44 : x - Step 2: Convert to fraction form
80,260.68/110,761.26 = 48,028.44/x - Step 3: Cross multiply
80,260.68x = 110,761.26 × 48,028.44 - Step 4: Simplify right side
80,260.68x = 5,319,690,530.23 - Step 5: Solve for x
x = 5,319,690,530.23/80,260.68 - Step 6: Final answer
x = 66,280.16
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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.