Finding the Fourth Proportional to 75,837.60, 113,769.84 and 25,906.02
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Solution
The fourth proportional to 75,837.60, 113,769.84 and 25,906.02 is: 38,863.62
Step by Step Solution
- Step 1: Write the proportion equation
75,837.60 : 113,769.84 = 25,906.02 : x - Step 2: Convert to fraction form
75,837.60/113,769.84 = 25,906.02/x - Step 3: Cross multiply
75,837.60x = 113,769.84 × 25,906.02 - Step 4: Simplify right side
75,837.60x = 2,947,323,750.44 - Step 5: Solve for x
x = 2,947,323,750.44/75,837.60 - Step 6: Final answer
x = 38,863.62
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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.