Finding the Fourth Proportional to 76,768.01, 115,064.66 and 46,715.97
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Solution
The fourth proportional to 76,768.01, 115,064.66 and 46,715.97 is: 70,020.80
Step by Step Solution
- Step 1: Write the proportion equation
76,768.01 : 115,064.66 = 46,715.97 : x - Step 2: Convert to fraction form
76,768.01/115,064.66 = 46,715.97/x - Step 3: Cross multiply
76,768.01x = 115,064.66 × 46,715.97 - Step 4: Simplify right side
76,768.01x = 5,375,357,204.62 - Step 5: Solve for x
x = 5,375,357,204.62/76,768.01 - Step 6: Final answer
x = 70,020.80
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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.