Finding the Fourth Proportional to 93,715.21, 129,330.22 and 51,273.75
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Solution
The fourth proportional to 93,715.21, 129,330.22 and 51,273.75 is: 70,759.54
Step by Step Solution
- Step 1: Write the proportion equation
93,715.21 : 129,330.22 = 51,273.75 : x - Step 2: Convert to fraction form
93,715.21/129,330.22 = 51,273.75/x - Step 3: Cross multiply
93,715.21x = 129,330.22 × 51,273.75 - Step 4: Simplify right side
93,715.21x = 6,631,245,367.73 - Step 5: Solve for x
x = 6,631,245,367.73/93,715.21 - Step 6: Final answer
x = 70,759.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.