Finding the Fourth Proportional to 68,934.06, 103,452.55 and 51,205.65
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Solution
The fourth proportional to 68,934.06, 103,452.55 and 51,205.65 is: 76,846.70
Step by Step Solution
- Step 1: Write the proportion equation
68,934.06 : 103,452.55 = 51,205.65 : x - Step 2: Convert to fraction form
68,934.06/103,452.55 = 51,205.65/x - Step 3: Cross multiply
68,934.06x = 103,452.55 × 51,205.65 - Step 4: Simplify right side
68,934.06x = 5,297,355,066.91 - Step 5: Solve for x
x = 5,297,355,066.91/68,934.06 - Step 6: Final answer
x = 76,846.70
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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.