Finding the Fourth Proportional to 106,214.49, 159,320.25 and 43,034.09
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Solution
The fourth proportional to 106,214.49, 159,320.25 and 43,034.09 is: 64,550.53
Step by Step Solution
- Step 1: Write the proportion equation
106,214.49 : 159,320.25 = 43,034.09 : x - Step 2: Convert to fraction form
106,214.49/159,320.25 = 43,034.09/x - Step 3: Cross multiply
106,214.49x = 159,320.25 × 43,034.09 - Step 4: Simplify right side
106,214.49x = 6,856,201,180.72 - Step 5: Solve for x
x = 6,856,201,180.72/106,214.49 - Step 6: Final answer
x = 64,550.53
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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.