Finding the Fourth Proportional to 68,379.68, 102,569.06 and 36,804.62
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Solution
The fourth proportional to 68,379.68, 102,569.06 and 36,804.62 is: 55,206.68
Step by Step Solution
- Step 1: Write the proportion equation
68,379.68 : 102,569.06 = 36,804.62 : x - Step 2: Convert to fraction form
68,379.68/102,569.06 = 36,804.62/x - Step 3: Cross multiply
68,379.68x = 102,569.06 × 36,804.62 - Step 4: Simplify right side
68,379.68x = 3,775,015,277.06 - Step 5: Solve for x
x = 3,775,015,277.06/68,379.68 - Step 6: Final answer
x = 55,206.68
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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.