Finding the Fourth Proportional to 84,751.71, 127,148.11 and 25,583.84
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Solution
The fourth proportional to 84,751.71, 127,148.11 and 25,583.84 is: 38,381.96
Step by Step Solution
- Step 1: Write the proportion equation
84,751.71 : 127,148.11 = 25,583.84 : x - Step 2: Convert to fraction form
84,751.71/127,148.11 = 25,583.84/x - Step 3: Cross multiply
84,751.71x = 127,148.11 × 25,583.84 - Step 4: Simplify right side
84,751.71x = 3,252,936,902.54 - Step 5: Solve for x
x = 3,252,936,902.54/84,751.71 - Step 6: Final answer
x = 38,381.96
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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.