Finding the Fourth Proportional to 68,246.70, 102,370.05 and 62,341.80
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Solution
The fourth proportional to 68,246.70, 102,370.05 and 62,341.80 is: 93,512.70
Step by Step Solution
- Step 1: Write the proportion equation
68,246.70 : 102,370.05 = 62,341.80 : x - Step 2: Convert to fraction form
68,246.70/102,370.05 = 62,341.80/x - Step 3: Cross multiply
68,246.70x = 102,370.05 × 62,341.80 - Step 4: Simplify right side
68,246.70x = 6,381,933,183.09 - Step 5: Solve for x
x = 6,381,933,183.09/68,246.70 - Step 6: Final answer
x = 93,512.70
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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.