Finding the Fourth Proportional to 83,061.84, 114,640.20 and 49,530
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Solution
The fourth proportional to 83,061.84, 114,640.20 and 49,530 is: 68,360.26
Step by Step Solution
- Step 1: Write the proportion equation
83,061.84 : 114,640.20 = 49,530 : x - Step 2: Convert to fraction form
83,061.84/114,640.20 = 49,530/x - Step 3: Cross multiply
83,061.84x = 114,640.20 × 49,530 - Step 4: Simplify right side
83,061.84x = 5,678,129,106 - Step 5: Solve for x
x = 5,678,129,106/83,061.84 - Step 6: Final answer
x = 68,360.26
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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.