Finding the Fourth Proportional to 75,436.64, 113,176.14 and 22,129.88
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Solution
The fourth proportional to 75,436.64, 113,176.14 and 22,129.88 is: 33,201.03
Step by Step Solution
- Step 1: Write the proportion equation
75,436.64 : 113,176.14 = 22,129.88 : x - Step 2: Convert to fraction form
75,436.64/113,176.14 = 22,129.88/x - Step 3: Cross multiply
75,436.64x = 113,176.14 × 22,129.88 - Step 4: Simplify right side
75,436.64x = 2,504,573,748.20 - Step 5: Solve for x
x = 2,504,573,748.20/75,436.64 - Step 6: Final answer
x = 33,201.03
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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.