Finding the Fourth Proportional to 84,937.68, 127,403.28 and 25,770.96
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Solution
The fourth proportional to 84,937.68, 127,403.28 and 25,770.96 is: 38,655.46
Step by Step Solution
- Step 1: Write the proportion equation
84,937.68 : 127,403.28 = 25,770.96 : x - Step 2: Convert to fraction form
84,937.68/127,403.28 = 25,770.96/x - Step 3: Cross multiply
84,937.68x = 127,403.28 × 25,770.96 - Step 4: Simplify right side
84,937.68x = 3,283,304,832.75 - Step 5: Solve for x
x = 3,283,304,832.75/84,937.68 - Step 6: Final answer
x = 38,655.46
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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.