Finding the Fourth Proportional to 81,645.24, 122,450.58 and 37,242.84
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Solution
The fourth proportional to 81,645.24, 122,450.58 and 37,242.84 is: 55,856.38
Step by Step Solution
- Step 1: Write the proportion equation
81,645.24 : 122,450.58 = 37,242.84 : x - Step 2: Convert to fraction form
81,645.24/122,450.58 = 37,242.84/x - Step 3: Cross multiply
81,645.24x = 122,450.58 × 37,242.84 - Step 4: Simplify right side
81,645.24x = 4,560,407,358.85 - Step 5: Solve for x
x = 4,560,407,358.85/81,645.24 - Step 6: Final answer
x = 55,856.38
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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.