Finding the Fourth Proportional to 76,768.53, 115,186.26 and 26,884.41
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Solution
The fourth proportional to 76,768.53, 115,186.26 and 26,884.41 is: 40,338.33
Step by Step Solution
- Step 1: Write the proportion equation
76,768.53 : 115,186.26 = 26,884.41 : x - Step 2: Convert to fraction form
76,768.53/115,186.26 = 26,884.41/x - Step 3: Cross multiply
76,768.53x = 115,186.26 × 26,884.41 - Step 4: Simplify right side
76,768.53x = 3,096,714,640.21 - Step 5: Solve for x
x = 3,096,714,640.21/76,768.53 - Step 6: Final answer
x = 40,338.33
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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.