Finding the Fourth Proportional to 81,506.44, 122,259.66 and 53,797.96
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Solution
The fourth proportional to 81,506.44, 122,259.66 and 53,797.96 is: 80,696.94
Step by Step Solution
- Step 1: Write the proportion equation
81,506.44 : 122,259.66 = 53,797.96 : x - Step 2: Convert to fraction form
81,506.44/122,259.66 = 53,797.96/x - Step 3: Cross multiply
81,506.44x = 122,259.66 × 53,797.96 - Step 4: Simplify right side
81,506.44x = 6,577,320,298.29 - Step 5: Solve for x
x = 6,577,320,298.29/81,506.44 - Step 6: Final answer
x = 80,696.94
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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.