Finding the Fourth Proportional to 97,826.62, 134,480.96 and 84,164.44
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Solution
The fourth proportional to 97,826.62, 134,480.96 and 84,164.44 is: 115,699.74
Step by Step Solution
- Step 1: Write the proportion equation
97,826.62 : 134,480.96 = 84,164.44 : x - Step 2: Convert to fraction form
97,826.62/134,480.96 = 84,164.44/x - Step 3: Cross multiply
97,826.62x = 134,480.96 × 84,164.44 - Step 4: Simplify right side
97,826.62x = 11,318,514,689.06 - Step 5: Solve for x
x = 11,318,514,689.06/97,826.62 - Step 6: Final answer
x = 115,699.74
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.