Finding the Fourth Proportional to 83,052.80, 124,502.45 and 33,120.75
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Solution
The fourth proportional to 83,052.80, 124,502.45 and 33,120.75 is: 49,650.52
Step by Step Solution
- Step 1: Write the proportion equation
83,052.80 : 124,502.45 = 33,120.75 : x - Step 2: Convert to fraction form
83,052.80/124,502.45 = 33,120.75/x - Step 3: Cross multiply
83,052.80x = 124,502.45 × 33,120.75 - Step 4: Simplify right side
83,052.80x = 4,123,614,355.23 - Step 5: Solve for x
x = 4,123,614,355.23/83,052.80 - Step 6: Final answer
x = 49,650.52
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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.