Finding the Fourth Proportional to 94,231.24, 129,995.76 and 57,899.71
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Solution
The fourth proportional to 94,231.24, 129,995.76 and 57,899.71 is: 79,874.96
Step by Step Solution
- Step 1: Write the proportion equation
94,231.24 : 129,995.76 = 57,899.71 : x - Step 2: Convert to fraction form
94,231.24/129,995.76 = 57,899.71/x - Step 3: Cross multiply
94,231.24x = 129,995.76 × 57,899.71 - Step 4: Simplify right side
94,231.24x = 7,526,716,805.23 - Step 5: Solve for x
x = 7,526,716,805.23/94,231.24 - Step 6: Final answer
x = 79,874.96
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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.