Finding the Fourth Proportional to 84,556.20, 126,853.74 and 25,392.99
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Solution
The fourth proportional to 84,556.20, 126,853.74 and 25,392.99 is: 38,095.32
Step by Step Solution
- Step 1: Write the proportion equation
84,556.20 : 126,853.74 = 25,392.99 : x - Step 2: Convert to fraction form
84,556.20/126,853.74 = 25,392.99/x - Step 3: Cross multiply
84,556.20x = 126,853.74 × 25,392.99 - Step 4: Simplify right side
84,556.20x = 3,221,195,751.28 - Step 5: Solve for x
x = 3,221,195,751.28/84,556.20 - Step 6: Final answer
x = 38,095.32
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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.