Finding the Fourth Proportional to 86,537.70, 129,820.05 and 27,367.74
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Solution
The fourth proportional to 86,537.70, 129,820.05 and 27,367.74 is: 41,055.88
Step by Step Solution
- Step 1: Write the proportion equation
86,537.70 : 129,820.05 = 27,367.74 : x - Step 2: Convert to fraction form
86,537.70/129,820.05 = 27,367.74/x - Step 3: Cross multiply
86,537.70x = 129,820.05 × 27,367.74 - Step 4: Simplify right side
86,537.70x = 3,552,881,375.19 - Step 5: Solve for x
x = 3,552,881,375.19/86,537.70 - Step 6: Final answer
x = 41,055.88
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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.