Finding the Fourth Proportional to 106,048.62, 159,074.19 and 27,160.74
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Solution
The fourth proportional to 106,048.62, 159,074.19 and 27,160.74 is: 40,741.43
Step by Step Solution
- Step 1: Write the proportion equation
106,048.62 : 159,074.19 = 27,160.74 : x - Step 2: Convert to fraction form
106,048.62/159,074.19 = 27,160.74/x - Step 3: Cross multiply
106,048.62x = 159,074.19 × 27,160.74 - Step 4: Simplify right side
106,048.62x = 4,320,572,715.30 - Step 5: Solve for x
x = 4,320,572,715.30/106,048.62 - Step 6: Final answer
x = 40,741.43
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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.