Finding the Fourth Proportional to 88,912.36, 122,723.94 and 51,201.64
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Solution
The fourth proportional to 88,912.36, 122,723.94 and 51,201.64 is: 70,672.59
Step by Step Solution
- Step 1: Write the proportion equation
88,912.36 : 122,723.94 = 51,201.64 : x - Step 2: Convert to fraction form
88,912.36/122,723.94 = 51,201.64/x - Step 3: Cross multiply
88,912.36x = 122,723.94 × 51,201.64 - Step 4: Simplify right side
88,912.36x = 6,283,666,995.26 - Step 5: Solve for x
x = 6,283,666,995.26/88,912.36 - Step 6: Final answer
x = 70,672.59
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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.