Finding the Fourth Proportional to 86,026.35, 129,047.49 and 33,439.80
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Solution
The fourth proportional to 86,026.35, 129,047.49 and 33,439.80 is: 50,162.80
Step by Step Solution
- Step 1: Write the proportion equation
86,026.35 : 129,047.49 = 33,439.80 : x - Step 2: Convert to fraction form
86,026.35/129,047.49 = 33,439.80/x - Step 3: Cross multiply
86,026.35x = 129,047.49 × 33,439.80 - Step 4: Simplify right side
86,026.35x = 4,315,322,256.10 - Step 5: Solve for x
x = 4,315,322,256.10/86,026.35 - Step 6: Final answer
x = 50,162.80
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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.