Finding the Fourth Proportional to 75,841.12, 113,761.63 and 25,921.63
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Solution
The fourth proportional to 75,841.12, 113,761.63 and 25,921.63 is: 38,882.43
Step by Step Solution
- Step 1: Write the proportion equation
75,841.12 : 113,761.63 = 25,921.63 : x - Step 2: Convert to fraction form
75,841.12/113,761.63 = 25,921.63/x - Step 3: Cross multiply
75,841.12x = 113,761.63 × 25,921.63 - Step 4: Simplify right side
75,841.12x = 2,948,886,881.06 - Step 5: Solve for x
x = 2,948,886,881.06/75,841.12 - Step 6: Final answer
x = 38,882.43
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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.