Finding the Fourth Proportional to 76,791.87, 115,108.80 and 29,395.80
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Solution
The fourth proportional to 76,791.87, 115,108.80 and 29,395.80 is: 44,063.46
Step by Step Solution
- Step 1: Write the proportion equation
76,791.87 : 115,108.80 = 29,395.80 : x - Step 2: Convert to fraction form
76,791.87/115,108.80 = 29,395.80/x - Step 3: Cross multiply
76,791.87x = 115,108.80 × 29,395.80 - Step 4: Simplify right side
76,791.87x = 3,383,715,152.81 - Step 5: Solve for x
x = 3,383,715,152.81/76,791.87 - Step 6: Final answer
x = 44,063.46
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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.