Finding the Fourth Proportional to 68,795.75, 103,193.73 and 18,876.53
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Solution
The fourth proportional to 68,795.75, 103,193.73 and 18,876.53 is: 28,314.82
Step by Step Solution
- Step 1: Write the proportion equation
68,795.75 : 103,193.73 = 18,876.53 : x - Step 2: Convert to fraction form
68,795.75/103,193.73 = 18,876.53/x - Step 3: Cross multiply
68,795.75x = 103,193.73 × 18,876.53 - Step 4: Simplify right side
68,795.75x = 1,947,939,024.19 - Step 5: Solve for x
x = 1,947,939,024.19/68,795.75 - Step 6: Final answer
x = 28,314.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.