Finding the Fourth Proportional to 84,497.25, 126,806.93 and 33,213.55
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Solution
The fourth proportional to 84,497.25, 126,806.93 and 33,213.55 is: 49,844.33
Step by Step Solution
- Step 1: Write the proportion equation
84,497.25 : 126,806.93 = 33,213.55 : x - Step 2: Convert to fraction form
84,497.25/126,806.93 = 33,213.55/x - Step 3: Cross multiply
84,497.25x = 126,806.93 × 33,213.55 - Step 4: Simplify right side
84,497.25x = 4,211,708,726.22 - Step 5: Solve for x
x = 4,211,708,726.22/84,497.25 - Step 6: Final answer
x = 49,844.33
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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.