Finding the Fourth Proportional to 76,716.74, 115,029.66 and 29,914.94
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Solution
The fourth proportional to 76,716.74, 115,029.66 and 29,914.94 is: 44,854.69
Step by Step Solution
- Step 1: Write the proportion equation
76,716.74 : 115,029.66 = 29,914.94 : x - Step 2: Convert to fraction form
76,716.74/115,029.66 = 29,914.94/x - Step 3: Cross multiply
76,716.74x = 115,029.66 × 29,914.94 - Step 4: Simplify right side
76,716.74x = 3,441,105,377.12 - Step 5: Solve for x
x = 3,441,105,377.12/76,716.74 - Step 6: Final answer
x = 44,854.69
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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.