Finding the Fourth Proportional to 84,843.64, 117,070.17 and 49,036.99
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Solution
The fourth proportional to 84,843.64, 117,070.17 and 49,036.99 is: 67,662.92
Step by Step Solution
- Step 1: Write the proportion equation
84,843.64 : 117,070.17 = 49,036.99 : x - Step 2: Convert to fraction form
84,843.64/117,070.17 = 49,036.99/x - Step 3: Cross multiply
84,843.64x = 117,070.17 × 49,036.99 - Step 4: Simplify right side
84,843.64x = 5,740,768,170.24 - Step 5: Solve for x
x = 5,740,768,170.24/84,843.64 - Step 6: Final answer
x = 67,662.92
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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.