Finding the Fourth Proportional to 94,193.14, 129,986.64 and 51,172.66
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Solution
The fourth proportional to 94,193.14, 129,986.64 and 51,172.66 is: 70,618.33
Step by Step Solution
- Step 1: Write the proportion equation
94,193.14 : 129,986.64 = 51,172.66 : x - Step 2: Convert to fraction form
94,193.14/129,986.64 = 51,172.66/x - Step 3: Cross multiply
94,193.14x = 129,986.64 × 51,172.66 - Step 4: Simplify right side
94,193.14x = 6,651,762,133.26 - Step 5: Solve for x
x = 6,651,762,133.26/94,193.14 - Step 6: Final answer
x = 70,618.33
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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.