Finding the Fourth Proportional to 80,070.36, 110,497.05 and 48,245.40
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Solution
The fourth proportional to 80,070.36, 110,497.05 and 48,245.40 is: 66,578.62
Step by Step Solution
- Step 1: Write the proportion equation
80,070.36 : 110,497.05 = 48,245.40 : x - Step 2: Convert to fraction form
80,070.36/110,497.05 = 48,245.40/x - Step 3: Cross multiply
80,070.36x = 110,497.05 × 48,245.40 - Step 4: Simplify right side
80,070.36x = 5,330,974,376.07 - Step 5: Solve for x
x = 5,330,974,376.07/80,070.36 - Step 6: Final answer
x = 66,578.62
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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.