Finding the Fourth Proportional to 81,506.52, 122,269.70 and 25,349.63
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Solution
The fourth proportional to 81,506.52, 122,269.70 and 25,349.63 is: 38,027.52
Step by Step Solution
- Step 1: Write the proportion equation
81,506.52 : 122,269.70 = 25,349.63 : x - Step 2: Convert to fraction form
81,506.52/122,269.70 = 25,349.63/x - Step 3: Cross multiply
81,506.52x = 122,269.70 × 25,349.63 - Step 4: Simplify right side
81,506.52x = 3,099,491,107.24 - Step 5: Solve for x
x = 3,099,491,107.24/81,506.52 - Step 6: Final answer
x = 38,027.52
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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.