Finding the Fourth Proportional to 83,932.24, 115,822.02 and 48,120.52
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Solution
The fourth proportional to 83,932.24, 115,822.02 and 48,120.52 is: 66,403.75
Step by Step Solution
- Step 1: Write the proportion equation
83,932.24 : 115,822.02 = 48,120.52 : x - Step 2: Convert to fraction form
83,932.24/115,822.02 = 48,120.52/x - Step 3: Cross multiply
83,932.24x = 115,822.02 × 48,120.52 - Step 4: Simplify right side
83,932.24x = 5,573,415,829.85 - Step 5: Solve for x
x = 5,573,415,829.85/83,932.24 - Step 6: Final answer
x = 66,403.75
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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.