Finding the Fourth Proportional to 75,874.19, 104,706.40 and 41,882.70
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Solution
The fourth proportional to 75,874.19, 104,706.40 and 41,882.70 is: 57,798.14
Step by Step Solution
- Step 1: Write the proportion equation
75,874.19 : 104,706.40 = 41,882.70 : x - Step 2: Convert to fraction form
75,874.19/104,706.40 = 41,882.70/x - Step 3: Cross multiply
75,874.19x = 104,706.40 × 41,882.70 - Step 4: Simplify right side
75,874.19x = 4,385,386,634.57 - Step 5: Solve for x
x = 4,385,386,634.57/75,874.19 - Step 6: Final answer
x = 57,798.14
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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.