Finding the Fourth Proportional to 86,116.47, 129,133.69 and 32,811.08
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Solution
The fourth proportional to 86,116.47, 129,133.69 and 32,811.08 is: 49,200.99
Step by Step Solution
- Step 1: Write the proportion equation
86,116.47 : 129,133.69 = 32,811.08 : x - Step 2: Convert to fraction form
86,116.47/129,133.69 = 32,811.08/x - Step 3: Cross multiply
86,116.47x = 129,133.69 × 32,811.08 - Step 4: Simplify right side
86,116.47x = 4,237,015,290.15 - Step 5: Solve for x
x = 4,237,015,290.15/86,116.47 - Step 6: Final answer
x = 49,200.99
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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.