Finding the Fourth Proportional to 80,127.99, 120,159.18 and 35,724.38
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Solution
The fourth proportional to 80,127.99, 120,159.18 and 35,724.38 is: 53,571.94
Step by Step Solution
- Step 1: Write the proportion equation
80,127.99 : 120,159.18 = 35,724.38 : x - Step 2: Convert to fraction form
80,127.99/120,159.18 = 35,724.38/x - Step 3: Cross multiply
80,127.99x = 120,159.18 × 35,724.38 - Step 4: Simplify right side
80,127.99x = 4,292,611,606.01 - Step 5: Solve for x
x = 4,292,611,606.01/80,127.99 - Step 6: Final answer
x = 53,571.94
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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.