Finding the Fourth Proportional to 81,956.25, 122,955.50 and 44,506.71
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Solution
The fourth proportional to 81,956.25, 122,955.50 and 44,506.71 is: 66,771.53
Step by Step Solution
- Step 1: Write the proportion equation
81,956.25 : 122,955.50 = 44,506.71 : x - Step 2: Convert to fraction form
81,956.25/122,955.50 = 44,506.71/x - Step 3: Cross multiply
81,956.25x = 122,955.50 × 44,506.71 - Step 4: Simplify right side
81,956.25x = 5,472,343,944.09 - Step 5: Solve for x
x = 5,472,343,944.09/81,956.25 - Step 6: Final answer
x = 66,771.53
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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.