Finding the Fourth Proportional to 96,112.56, 132,629.84 and 57,394.08
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Solution
The fourth proportional to 96,112.56, 132,629.84 and 57,394.08 is: 79,200.55
Step by Step Solution
- Step 1: Write the proportion equation
96,112.56 : 132,629.84 = 57,394.08 : x - Step 2: Convert to fraction form
96,112.56/132,629.84 = 57,394.08/x - Step 3: Cross multiply
96,112.56x = 132,629.84 × 57,394.08 - Step 4: Simplify right side
96,112.56x = 7,612,167,315.77 - Step 5: Solve for x
x = 7,612,167,315.77/96,112.56 - Step 6: Final answer
x = 79,200.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.