Finding the Fourth Proportional to 66,812.79, 100,219.08 and 27,369.96
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Solution
The fourth proportional to 66,812.79, 100,219.08 and 27,369.96 is: 41,054.90
Step by Step Solution
- Step 1: Write the proportion equation
66,812.79 : 100,219.08 = 27,369.96 : x - Step 2: Convert to fraction form
66,812.79/100,219.08 = 27,369.96/x - Step 3: Cross multiply
66,812.79x = 100,219.08 × 27,369.96 - Step 4: Simplify right side
66,812.79x = 2,742,992,210.84 - Step 5: Solve for x
x = 2,742,992,210.84/66,812.79 - Step 6: Final answer
x = 41,054.90
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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.