Finding the Fourth Proportional to 83,778.49, 115,611.38 and 46,052.47
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Solution
The fourth proportional to 83,778.49, 115,611.38 and 46,052.47 is: 63,550.79
Step by Step Solution
- Step 1: Write the proportion equation
83,778.49 : 115,611.38 = 46,052.47 : x - Step 2: Convert to fraction form
83,778.49/115,611.38 = 46,052.47/x - Step 3: Cross multiply
83,778.49x = 115,611.38 × 46,052.47 - Step 4: Simplify right side
83,778.49x = 5,324,189,031.05 - Step 5: Solve for x
x = 5,324,189,031.05/83,778.49 - Step 6: Final answer
x = 63,550.79
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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.