Finding the Fourth Proportional to 87,126.36, 130,697.33 and 33,817.08
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Solution
The fourth proportional to 87,126.36, 130,697.33 and 33,817.08 is: 50,728.64
Step by Step Solution
- Step 1: Write the proportion equation
87,126.36 : 130,697.33 = 33,817.08 : x - Step 2: Convert to fraction form
87,126.36/130,697.33 = 33,817.08/x - Step 3: Cross multiply
87,126.36x = 130,697.33 × 33,817.08 - Step 4: Simplify right side
87,126.36x = 4,419,802,064.40 - Step 5: Solve for x
x = 4,419,802,064.40/87,126.36 - Step 6: Final answer
x = 50,728.64
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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.