Finding the Fourth Proportional to 86,841.75, 119,841.62 and 47,097.75
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Solution
The fourth proportional to 86,841.75, 119,841.62 and 47,097.75 is: 64,994.90
Step by Step Solution
- Step 1: Write the proportion equation
86,841.75 : 119,841.62 = 47,097.75 : x - Step 2: Convert to fraction form
86,841.75/119,841.62 = 47,097.75/x - Step 3: Cross multiply
86,841.75x = 119,841.62 × 47,097.75 - Step 4: Simplify right side
86,841.75x = 5,644,270,422.87 - Step 5: Solve for x
x = 5,644,270,422.87/86,841.75 - Step 6: Final answer
x = 64,994.90
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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.