Finding the Fourth Proportional to 86,548.68, 129,767.22 and 33,963.48
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Solution
The fourth proportional to 86,548.68, 129,767.22 and 33,963.48 is: 50,923.32
Step by Step Solution
- Step 1: Write the proportion equation
86,548.68 : 129,767.22 = 33,963.48 : x - Step 2: Convert to fraction form
86,548.68/129,767.22 = 33,963.48/x - Step 3: Cross multiply
86,548.68x = 129,767.22 × 33,963.48 - Step 4: Simplify right side
86,548.68x = 4,407,346,381.13 - Step 5: Solve for x
x = 4,407,346,381.13/86,548.68 - Step 6: Final answer
x = 50,923.32
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1.5x scale
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.