Finding the Fourth Proportional to 83,048.97, 124,513.09 and 33,114.09
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Solution
The fourth proportional to 83,048.97, 124,513.09 and 33,114.09 is: 49,647.07
Step by Step Solution
- Step 1: Write the proportion equation
83,048.97 : 124,513.09 = 33,114.09 : x - Step 2: Convert to fraction form
83,048.97/124,513.09 = 33,114.09/x - Step 3: Cross multiply
83,048.97x = 124,513.09 × 33,114.09 - Step 4: Simplify right side
83,048.97x = 4,123,137,668.44 - Step 5: Solve for x
x = 4,123,137,668.44/83,048.97 - Step 6: Final answer
x = 49,647.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.