Finding the Fourth Proportional to 68,396.81, 102,631.33 and 48,534.66
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Solution
The fourth proportional to 68,396.81, 102,631.33 and 48,534.66 is: 72,827.61
Step by Step Solution
- Step 1: Write the proportion equation
68,396.81 : 102,631.33 = 48,534.66 : x - Step 2: Convert to fraction form
68,396.81/102,631.33 = 48,534.66/x - Step 3: Cross multiply
68,396.81x = 102,631.33 × 48,534.66 - Step 4: Simplify right side
68,396.81x = 4,981,176,193.74 - Step 5: Solve for x
x = 4,981,176,193.74/68,396.81 - Step 6: Final answer
x = 72,827.61
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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.