Finding the Fourth Proportional to 97,689.96, 146,521.66 and 27,574.92
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Solution
The fourth proportional to 97,689.96, 146,521.66 and 27,574.92 is: 41,358.63
Step by Step Solution
- Step 1: Write the proportion equation
97,689.96 : 146,521.66 = 27,574.92 : x - Step 2: Convert to fraction form
97,689.96/146,521.66 = 27,574.92/x - Step 3: Cross multiply
97,689.96x = 146,521.66 × 27,574.92 - Step 4: Simplify right side
97,689.96x = 4,040,323,052.77 - Step 5: Solve for x
x = 4,040,323,052.77/97,689.96 - Step 6: Final answer
x = 41,358.63
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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.