Finding the Fourth Proportional to 106,624.60, 159,937.11 and 27,738.70
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Solution
The fourth proportional to 106,624.60, 159,937.11 and 27,738.70 is: 41,608.10
Step by Step Solution
- Step 1: Write the proportion equation
106,624.60 : 159,937.11 = 27,738.70 : x - Step 2: Convert to fraction form
106,624.60/159,937.11 = 27,738.70/x - Step 3: Cross multiply
106,624.60x = 159,937.11 × 27,738.70 - Step 4: Simplify right side
106,624.60x = 4,436,447,113.31 - Step 5: Solve for x
x = 4,436,447,113.31/106,624.60 - Step 6: Final answer
x = 41,608.10
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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.