Finding the Fourth Proportional to 75,460.06, 113,193.87 and 28,716.58
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Solution
The fourth proportional to 75,460.06, 113,193.87 and 28,716.58 is: 43,076.31
Step by Step Solution
- Step 1: Write the proportion equation
75,460.06 : 113,193.87 = 28,716.58 : x - Step 2: Convert to fraction form
75,460.06/113,193.87 = 28,716.58/x - Step 3: Cross multiply
75,460.06x = 113,193.87 × 28,716.58 - Step 4: Simplify right side
75,460.06x = 3,250,540,823.36 - Step 5: Solve for x
x = 3,250,540,823.36/75,460.06 - Step 6: Final answer
x = 43,076.31
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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.