Finding the Fourth Proportional to 94,469.81, 130,260.17 and 70,556.09
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Solution
The fourth proportional to 94,469.81, 130,260.17 and 70,556.09 is: 97,286.62
Step by Step Solution
- Step 1: Write the proportion equation
94,469.81 : 130,260.17 = 70,556.09 : x - Step 2: Convert to fraction form
94,469.81/130,260.17 = 70,556.09/x - Step 3: Cross multiply
94,469.81x = 130,260.17 × 70,556.09 - Step 4: Simplify right side
94,469.81x = 9,190,647,803.02 - Step 5: Solve for x
x = 9,190,647,803.02/94,469.81 - Step 6: Final answer
x = 97,286.62
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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.