Finding the Fourth Proportional to 83,451.88, 125,138.94 and 44,027.56
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Solution
The fourth proportional to 83,451.88, 125,138.94 and 44,027.56 is: 66,020.83
Step by Step Solution
- Step 1: Write the proportion equation
83,451.88 : 125,138.94 = 44,027.56 : x - Step 2: Convert to fraction form
83,451.88/125,138.94 = 44,027.56/x - Step 3: Cross multiply
83,451.88x = 125,138.94 × 44,027.56 - Step 4: Simplify right side
83,451.88x = 5,509,562,189.19 - Step 5: Solve for x
x = 5,509,562,189.19/83,451.88 - Step 6: Final answer
x = 66,020.83
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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.