Finding the Fourth Proportional to 79,056.38, 109,096.36 and 43,246.08
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Solution
The fourth proportional to 79,056.38, 109,096.36 and 43,246.08 is: 59,678.80
Step by Step Solution
- Step 1: Write the proportion equation
79,056.38 : 109,096.36 = 43,246.08 : x - Step 2: Convert to fraction form
79,056.38/109,096.36 = 43,246.08/x - Step 3: Cross multiply
79,056.38x = 109,096.36 × 43,246.08 - Step 4: Simplify right side
79,056.38x = 4,717,989,912.27 - Step 5: Solve for x
x = 4,717,989,912.27/79,056.38 - Step 6: Final answer
x = 59,678.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.