Finding the Fourth Proportional to 83,728.56, 125,545.50 and 27,553.49
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Solution
The fourth proportional to 83,728.56, 125,545.50 and 27,553.49 is: 41,314.66
Step by Step Solution
- Step 1: Write the proportion equation
83,728.56 : 125,545.50 = 27,553.49 : x - Step 2: Convert to fraction form
83,728.56/125,545.50 = 27,553.49/x - Step 3: Cross multiply
83,728.56x = 125,545.50 × 27,553.49 - Step 4: Simplify right side
83,728.56x = 3,459,216,678.80 - Step 5: Solve for x
x = 3,459,216,678.80/83,728.56 - Step 6: Final answer
x = 41,314.66
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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.