Finding the Fourth Proportional to 84,088.77, 126,157.76 and 27,161.38
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Solution
The fourth proportional to 84,088.77, 126,157.76 and 27,161.38 is: 40,750.02
Step by Step Solution
- Step 1: Write the proportion equation
84,088.77 : 126,157.76 = 27,161.38 : x - Step 2: Convert to fraction form
84,088.77/126,157.76 = 27,161.38/x - Step 3: Cross multiply
84,088.77x = 126,157.76 × 27,161.38 - Step 4: Simplify right side
84,088.77x = 3,426,618,859.31 - Step 5: Solve for x
x = 3,426,618,859.31/84,088.77 - Step 6: Final answer
x = 40,750.02
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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.