Finding the Fourth Proportional to 83,519.09, 125,286.83 and 27,356.93
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Solution
The fourth proportional to 83,519.09, 125,286.83 and 27,356.93 is: 41,038.08
Step by Step Solution
- Step 1: Write the proportion equation
83,519.09 : 125,286.83 = 27,356.93 : x - Step 2: Convert to fraction form
83,519.09/125,286.83 = 27,356.93/x - Step 3: Cross multiply
83,519.09x = 125,286.83 × 27,356.93 - Step 4: Simplify right side
83,519.09x = 3,427,463,038.23 - Step 5: Solve for x
x = 3,427,463,038.23/83,519.09 - Step 6: Final answer
x = 41,038.08
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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.