Finding the Fourth Proportional to 71,799.68, 107,699.56 and 32,310.68
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Solution
The fourth proportional to 71,799.68, 107,699.56 and 32,310.68 is: 48,466.03
Step by Step Solution
- Step 1: Write the proportion equation
71,799.68 : 107,699.56 = 32,310.68 : x - Step 2: Convert to fraction form
71,799.68/107,699.56 = 32,310.68/x - Step 3: Cross multiply
71,799.68x = 107,699.56 × 32,310.68 - Step 4: Simplify right side
71,799.68x = 3,479,845,400.03 - Step 5: Solve for x
x = 3,479,845,400.03/71,799.68 - Step 6: Final answer
x = 48,466.03
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1.5x scale
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.