Finding the Fourth Proportional to 86,377.68, 119,202.53 and 48,136.19
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Solution
The fourth proportional to 86,377.68, 119,202.53 and 48,136.19 is: 66,428.67
Step by Step Solution
- Step 1: Write the proportion equation
86,377.68 : 119,202.53 = 48,136.19 : x - Step 2: Convert to fraction form
86,377.68/119,202.53 = 48,136.19/x - Step 3: Cross multiply
86,377.68x = 119,202.53 × 48,136.19 - Step 4: Simplify right side
86,377.68x = 5,737,954,795.87 - Step 5: Solve for x
x = 5,737,954,795.87/86,377.68 - Step 6: Final answer
x = 66,428.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.