Finding the Fourth Proportional to 86,433.08, 129,649.62 and 27,274.74
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Solution
The fourth proportional to 86,433.08, 129,649.62 and 27,274.74 is: 40,912.11
Step by Step Solution
- Step 1: Write the proportion equation
86,433.08 : 129,649.62 = 27,274.74 : x - Step 2: Convert to fraction form
86,433.08/129,649.62 = 27,274.74/x - Step 3: Cross multiply
86,433.08x = 129,649.62 × 27,274.74 - Step 4: Simplify right side
86,433.08x = 3,536,159,676.60 - Step 5: Solve for x
x = 3,536,159,676.60/86,433.08 - Step 6: Final answer
x = 40,912.11
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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.