Finding the Fourth Proportional to 83,950.49, 125,895.49 and 27,780.23
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Solution
The fourth proportional to 83,950.49, 125,895.49 and 27,780.23 is: 41,660.33
Step by Step Solution
- Step 1: Write the proportion equation
83,950.49 : 125,895.49 = 27,780.23 : x - Step 2: Convert to fraction form
83,950.49/125,895.49 = 27,780.23/x - Step 3: Cross multiply
83,950.49x = 125,895.49 × 27,780.23 - Step 4: Simplify right side
83,950.49x = 3,497,405,353.42 - Step 5: Solve for x
x = 3,497,405,353.42/83,950.49 - Step 6: Final answer
x = 41,660.33
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1.5x scale
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.