Finding the Fourth Proportional to 68,779.70, 103,199.22 and 37,211.99
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Solution
The fourth proportional to 68,779.70, 103,199.22 and 37,211.99 is: 55,834.03
Step by Step Solution
- Step 1: Write the proportion equation
68,779.70 : 103,199.22 = 37,211.99 : x - Step 2: Convert to fraction form
68,779.70/103,199.22 = 37,211.99/x - Step 3: Cross multiply
68,779.70x = 103,199.22 × 37,211.99 - Step 4: Simplify right side
68,779.70x = 3,840,247,826.65 - Step 5: Solve for x
x = 3,840,247,826.65/68,779.70 - Step 6: Final answer
x = 55,834.03
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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.