Finding the Fourth Proportional to 84,188.93, 116,181.80 and 49,734.80
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Solution
The fourth proportional to 84,188.93, 116,181.80 and 49,734.80 is: 68,634.65
Step by Step Solution
- Step 1: Write the proportion equation
84,188.93 : 116,181.80 = 49,734.80 : x - Step 2: Convert to fraction form
84,188.93/116,181.80 = 49,734.80/x - Step 3: Cross multiply
84,188.93x = 116,181.80 × 49,734.80 - Step 4: Simplify right side
84,188.93x = 5,778,277,757.06 - Step 5: Solve for x
x = 5,778,277,757.06/84,188.93 - Step 6: Final answer
x = 68,634.65
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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.