Finding the Fourth Proportional to 75,617.62, 104,352.68 and 41,629.52
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Solution
The fourth proportional to 75,617.62, 104,352.68 and 41,629.52 is: 57,448.94
Step by Step Solution
- Step 1: Write the proportion equation
75,617.62 : 104,352.68 = 41,629.52 : x - Step 2: Convert to fraction form
75,617.62/104,352.68 = 41,629.52/x - Step 3: Cross multiply
75,617.62x = 104,352.68 × 41,629.52 - Step 4: Simplify right side
75,617.62x = 4,344,151,979.11 - Step 5: Solve for x
x = 4,344,151,979.11/75,617.62 - Step 6: Final answer
x = 57,448.94
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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.