Finding the Fourth Proportional to 76,063.28, 113,546.14 and 64,266.80
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Solution
The fourth proportional to 76,063.28, 113,546.14 and 64,266.80 is: 95,936.53
Step by Step Solution
- Step 1: Write the proportion equation
76,063.28 : 113,546.14 = 64,266.80 : x - Step 2: Convert to fraction form
76,063.28/113,546.14 = 64,266.80/x - Step 3: Cross multiply
76,063.28x = 113,546.14 × 64,266.80 - Step 4: Simplify right side
76,063.28x = 7,297,247,070.15 - Step 5: Solve for x
x = 7,297,247,070.15/76,063.28 - Step 6: Final answer
x = 95,936.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.