Finding the Fourth Proportional to 73,802.88, 110,802.60 and 43,872.84
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Solution
The fourth proportional to 73,802.88, 110,802.60 and 43,872.84 is: 65,867.68
Step by Step Solution
- Step 1: Write the proportion equation
73,802.88 : 110,802.60 = 43,872.84 : x - Step 2: Convert to fraction form
73,802.88/110,802.60 = 43,872.84/x - Step 3: Cross multiply
73,802.88x = 110,802.60 × 43,872.84 - Step 4: Simplify right side
73,802.88x = 4,861,224,741.38 - Step 5: Solve for x
x = 4,861,224,741.38/73,802.88 - Step 6: Final answer
x = 65,867.68
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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.