Finding the Fourth Proportional to 97,431.48, 146,152.49 and 27,316.26
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Solution
The fourth proportional to 97,431.48, 146,152.49 and 27,316.26 is: 40,975.87
Step by Step Solution
- Step 1: Write the proportion equation
97,431.48 : 146,152.49 = 27,316.26 : x - Step 2: Convert to fraction form
97,431.48/146,152.49 = 27,316.26/x - Step 3: Cross multiply
97,431.48x = 146,152.49 × 27,316.26 - Step 4: Simplify right side
97,431.48x = 3,992,339,279.91 - Step 5: Solve for x
x = 3,992,339,279.91/97,431.48 - Step 6: Final answer
x = 40,975.87
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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.