Finding the Fourth Proportional to 92,419.76, 138,609.20 and 25,841.99
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Solution
The fourth proportional to 92,419.76, 138,609.20 and 25,841.99 is: 38,757.26
Step by Step Solution
- Step 1: Write the proportion equation
92,419.76 : 138,609.20 = 25,841.99 : x - Step 2: Convert to fraction form
92,419.76/138,609.20 = 25,841.99/x - Step 3: Cross multiply
92,419.76x = 138,609.20 × 25,841.99 - Step 4: Simplify right side
92,419.76x = 3,581,936,738.05 - Step 5: Solve for x
x = 3,581,936,738.05/92,419.76 - Step 6: Final answer
x = 38,757.26
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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.