Finding the Fourth Proportional to 74,838.24, 103,269.42 and 41,302.08
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Solution
The fourth proportional to 74,838.24, 103,269.42 and 41,302.08 is: 56,992.81
Step by Step Solution
- Step 1: Write the proportion equation
74,838.24 : 103,269.42 = 41,302.08 : x - Step 2: Convert to fraction form
74,838.24/103,269.42 = 41,302.08/x - Step 3: Cross multiply
74,838.24x = 103,269.42 × 41,302.08 - Step 4: Simplify right side
74,838.24x = 4,265,241,846.39 - Step 5: Solve for x
x = 4,265,241,846.39/74,838.24 - Step 6: Final answer
x = 56,992.81
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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.