Finding the Fourth Proportional to 74,765.94, 112,129.83 and 22,163.10
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Solution
The fourth proportional to 74,765.94, 112,129.83 and 22,163.10 is: 33,238.99
Step by Step Solution
- Step 1: Write the proportion equation
74,765.94 : 112,129.83 = 22,163.10 : x - Step 2: Convert to fraction form
74,765.94/112,129.83 = 22,163.10/x - Step 3: Cross multiply
74,765.94x = 112,129.83 × 22,163.10 - Step 4: Simplify right side
74,765.94x = 2,485,144,635.27 - Step 5: Solve for x
x = 2,485,144,635.27/74,765.94 - Step 6: Final answer
x = 33,238.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.