Finding the Fourth Proportional to 92,289.24, 138,452.36 and 33,129.54
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Solution
The fourth proportional to 92,289.24, 138,452.36 and 33,129.54 is: 49,700.95
Step by Step Solution
- Step 1: Write the proportion equation
92,289.24 : 138,452.36 = 33,129.54 : x - Step 2: Convert to fraction form
92,289.24/138,452.36 = 33,129.54/x - Step 3: Cross multiply
92,289.24x = 138,452.36 × 33,129.54 - Step 4: Simplify right side
92,289.24x = 4,586,862,833.07 - Step 5: Solve for x
x = 4,586,862,833.07/92,289.24 - Step 6: Final answer
x = 49,700.95
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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.