Finding the Fourth Proportional to 77,743.14, 116,586.15 and 27,809.70
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Solution
The fourth proportional to 77,743.14, 116,586.15 and 27,809.70 is: 41,704.33
Step by Step Solution
- Step 1: Write the proportion equation
77,743.14 : 116,586.15 = 27,809.70 : x - Step 2: Convert to fraction form
77,743.14/116,586.15 = 27,809.70/x - Step 3: Cross multiply
77,743.14x = 116,586.15 × 27,809.70 - Step 4: Simplify right side
77,743.14x = 3,242,225,855.66 - Step 5: Solve for x
x = 3,242,225,855.66/77,743.14 - Step 6: Final answer
x = 41,704.33
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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.