Finding the Fourth Proportional to 80,087.74, 110,515.26 and 44,278.18
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Solution
The fourth proportional to 80,087.74, 110,515.26 and 44,278.18 is: 61,100.67
Step by Step Solution
- Step 1: Write the proportion equation
80,087.74 : 110,515.26 = 44,278.18 : x - Step 2: Convert to fraction form
80,087.74/110,515.26 = 44,278.18/x - Step 3: Cross multiply
80,087.74x = 110,515.26 × 44,278.18 - Step 4: Simplify right side
80,087.74x = 4,893,414,575.03 - Step 5: Solve for x
x = 4,893,414,575.03/80,087.74 - Step 6: Final answer
x = 61,100.67
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1.5x scale
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.