Finding the Fourth Proportional to 88,734.75, 132,422.96 and 79,268.44
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Solution
The fourth proportional to 88,734.75, 132,422.96 and 79,268.44 is: 118,295.95
Step by Step Solution
- Step 1: Write the proportion equation
88,734.75 : 132,422.96 = 79,268.44 : x - Step 2: Convert to fraction form
88,734.75/132,422.96 = 79,268.44/x - Step 3: Cross multiply
88,734.75x = 132,422.96 × 79,268.44 - Step 4: Simplify right side
88,734.75x = 10,496,961,459.38 - Step 5: Solve for x
x = 10,496,961,459.38/88,734.75 - Step 6: Final answer
x = 118,295.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.