Finding the Fourth Proportional to 71,240.68, 107,054.88 and 37,984.24
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Solution
The fourth proportional to 71,240.68, 107,054.88 and 37,984.24 is: 57,079.72
Step by Step Solution
- Step 1: Write the proportion equation
71,240.68 : 107,054.88 = 37,984.24 : x - Step 2: Convert to fraction form
71,240.68/107,054.88 = 37,984.24/x - Step 3: Cross multiply
71,240.68x = 107,054.88 × 37,984.24 - Step 4: Simplify right side
71,240.68x = 4,066,398,255.09 - Step 5: Solve for x
x = 4,066,398,255.09/71,240.68 - Step 6: Final answer
x = 57,079.72
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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.