Finding the Fourth Proportional to 87,110.91, 130,683.38 and 27,942.03
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Solution
The fourth proportional to 87,110.91, 130,683.38 and 27,942.03 is: 41,918.50
Step by Step Solution
- Step 1: Write the proportion equation
87,110.91 : 130,683.38 = 27,942.03 : x - Step 2: Convert to fraction form
87,110.91/130,683.38 = 27,942.03/x - Step 3: Cross multiply
87,110.91x = 130,683.38 × 27,942.03 - Step 4: Simplify right side
87,110.91x = 3,651,558,784.75 - Step 5: Solve for x
x = 3,651,558,784.75/87,110.91 - Step 6: Final answer
x = 41,918.50
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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.