Finding the Fourth Proportional to 87,643.80, 131,523.93 and 32,239.80
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Solution
The fourth proportional to 87,643.80, 131,523.93 and 32,239.80 is: 48,381.12
Step by Step Solution
- Step 1: Write the proportion equation
87,643.80 : 131,523.93 = 32,239.80 : x - Step 2: Convert to fraction form
87,643.80/131,523.93 = 32,239.80/x - Step 3: Cross multiply
87,643.80x = 131,523.93 × 32,239.80 - Step 4: Simplify right side
87,643.80x = 4,240,305,198.41 - Step 5: Solve for x
x = 4,240,305,198.41/87,643.80 - Step 6: Final answer
x = 48,381.12
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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.