Finding the Fourth Proportional to 75,680.62, 104,439.28 and 43,867.96
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Solution
The fourth proportional to 75,680.62, 104,439.28 and 43,867.96 is: 60,537.80
Step by Step Solution
- Step 1: Write the proportion equation
75,680.62 : 104,439.28 = 43,867.96 : x - Step 2: Convert to fraction form
75,680.62/104,439.28 = 43,867.96/x - Step 3: Cross multiply
75,680.62x = 104,439.28 × 43,867.96 - Step 4: Simplify right side
75,680.62x = 4,581,538,157.47 - Step 5: Solve for x
x = 4,581,538,157.47/75,680.62 - Step 6: Final answer
x = 60,537.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.