Finding the Fourth Proportional to 94,218.87, 130,020.57 and 51,776.49
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Solution
The fourth proportional to 94,218.87, 130,020.57 and 51,776.49 is: 71,450.75
Step by Step Solution
- Step 1: Write the proportion equation
94,218.87 : 130,020.57 = 51,776.49 : x - Step 2: Convert to fraction form
94,218.87/130,020.57 = 51,776.49/x - Step 3: Cross multiply
94,218.87x = 130,020.57 × 51,776.49 - Step 4: Simplify right side
94,218.87x = 6,732,008,742.40 - Step 5: Solve for x
x = 6,732,008,742.40/94,218.87 - Step 6: Final answer
x = 71,450.75
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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.