Finding the Fourth Proportional to 76,792.87, 115,110.30 and 29,396.80
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Solution
The fourth proportional to 76,792.87, 115,110.30 and 29,396.80 is: 44,064.96
Step by Step Solution
- Step 1: Write the proportion equation
76,792.87 : 115,110.30 = 29,396.80 : x - Step 2: Convert to fraction form
76,792.87/115,110.30 = 29,396.80/x - Step 3: Cross multiply
76,792.87x = 115,110.30 × 29,396.80 - Step 4: Simplify right side
76,792.87x = 3,383,874,467.04 - Step 5: Solve for x
x = 3,383,874,467.04/76,792.87 - Step 6: Final answer
x = 44,064.96
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1.5x scale
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.