Finding the Fourth Proportional to 84,466.99, 126,725.78 and 48,920.03
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Solution
The fourth proportional to 84,466.99, 126,725.78 and 48,920.03 is: 73,394.69
Step by Step Solution
- Step 1: Write the proportion equation
84,466.99 : 126,725.78 = 48,920.03 : x - Step 2: Convert to fraction form
84,466.99/126,725.78 = 48,920.03/x - Step 3: Cross multiply
84,466.99x = 126,725.78 × 48,920.03 - Step 4: Simplify right side
84,466.99x = 6,199,428,959.37 - Step 5: Solve for x
x = 6,199,428,959.37/84,466.99 - Step 6: Final answer
x = 73,394.69
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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.