Finding the Fourth Proportional to 66,749.01, 100,138.50 and 22,374.62
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Solution
The fourth proportional to 66,749.01, 100,138.50 and 22,374.62 is: 33,566.95
Step by Step Solution
- Step 1: Write the proportion equation
66,749.01 : 100,138.50 = 22,374.62 : x - Step 2: Convert to fraction form
66,749.01/100,138.50 = 22,374.62/x - Step 3: Cross multiply
66,749.01x = 100,138.50 × 22,374.62 - Step 4: Simplify right side
66,749.01x = 2,240,560,759.70 - Step 5: Solve for x
x = 2,240,560,759.70/66,749.01 - Step 6: Final answer
x = 33,566.95
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1.5x scale
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.