Finding the Fourth Proportional to 81,952.19, 122,949.40 and 44,502.65
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Solution
The fourth proportional to 81,952.19, 122,949.40 and 44,502.65 is: 66,765.44
Step by Step Solution
- Step 1: Write the proportion equation
81,952.19 : 122,949.40 = 44,502.65 : x - Step 2: Convert to fraction form
81,952.19/122,949.40 = 44,502.65/x - Step 3: Cross multiply
81,952.19x = 122,949.40 × 44,502.65 - Step 4: Simplify right side
81,952.19x = 5,471,573,501.16 - Step 5: Solve for x
x = 5,471,573,501.16/81,952.19 - Step 6: Final answer
x = 66,765.44
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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.