Finding the Fourth Proportional to 84,845.14, 117,072.24 and 49,038.49
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Solution
The fourth proportional to 84,845.14, 117,072.24 and 49,038.49 is: 67,664.99
Step by Step Solution
- Step 1: Write the proportion equation
84,845.14 : 117,072.24 = 49,038.49 : x - Step 2: Convert to fraction form
84,845.14/117,072.24 = 49,038.49/x - Step 3: Cross multiply
84,845.14x = 117,072.24 × 49,038.49 - Step 4: Simplify right side
84,845.14x = 5,741,045,870.52 - Step 5: Solve for x
x = 5,741,045,870.52/84,845.14 - Step 6: Final answer
x = 67,664.99
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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.