Finding the Fourth Proportional to 87,636.60, 131,571.36 and 59,268.84
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Solution
The fourth proportional to 87,636.60, 131,571.36 and 59,268.84 is: 88,982.02
Step by Step Solution
- Step 1: Write the proportion equation
87,636.60 : 131,571.36 = 59,268.84 : x - Step 2: Convert to fraction form
87,636.60/131,571.36 = 59,268.84/x - Step 3: Cross multiply
87,636.60x = 131,571.36 × 59,268.84 - Step 4: Simplify right side
87,636.60x = 7,798,081,884.42 - Step 5: Solve for x
x = 7,798,081,884.42/87,636.60 - Step 6: Final answer
x = 88,982.02
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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.