Finding the Fourth Proportional to 68,470.29, 102,744.11 and 36,879.68
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Solution
The fourth proportional to 68,470.29, 102,744.11 and 36,879.68 is: 55,340.35
Step by Step Solution
- Step 1: Write the proportion equation
68,470.29 : 102,744.11 = 36,879.68 : x - Step 2: Convert to fraction form
68,470.29/102,744.11 = 36,879.68/x - Step 3: Cross multiply
68,470.29x = 102,744.11 × 36,879.68 - Step 4: Simplify right side
68,470.29x = 3,789,169,898.68 - Step 5: Solve for x
x = 3,789,169,898.68/68,470.29 - Step 6: Final answer
x = 55,340.35
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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.