Finding the Fourth Proportional to 84,954.34, 117,239.99 and 46,716.78
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Solution
The fourth proportional to 84,954.34, 117,239.99 and 46,716.78 is: 64,470.81
Step by Step Solution
- Step 1: Write the proportion equation
84,954.34 : 117,239.99 = 46,716.78 : x - Step 2: Convert to fraction form
84,954.34/117,239.99 = 46,716.78/x - Step 3: Cross multiply
84,954.34x = 117,239.99 × 46,716.78 - Step 4: Simplify right side
84,954.34x = 5,477,074,820.03 - Step 5: Solve for x
x = 5,477,074,820.03/84,954.34 - Step 6: Final answer
x = 64,470.81
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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.