Finding the Fourth Proportional to 71,529.48, 107,046.36 and 43,435.44
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Solution
The fourth proportional to 71,529.48, 107,046.36 and 43,435.44 is: 65,002.65
Step by Step Solution
- Step 1: Write the proportion equation
71,529.48 : 107,046.36 = 43,435.44 : x - Step 2: Convert to fraction form
71,529.48/107,046.36 = 43,435.44/x - Step 3: Cross multiply
71,529.48x = 107,046.36 × 43,435.44 - Step 4: Simplify right side
71,529.48x = 4,649,605,747.00 - Step 5: Solve for x
x = 4,649,605,747.00/71,529.48 - Step 6: Final answer
x = 65,002.65
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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.