Finding the Fourth Proportional to 81,953.30, 122,951.82 and 29,368.10
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Solution
The fourth proportional to 81,953.30, 122,951.82 and 29,368.10 is: 44,059.99
Step by Step Solution
- Step 1: Write the proportion equation
81,953.30 : 122,951.82 = 29,368.10 : x - Step 2: Convert to fraction form
81,953.30/122,951.82 = 29,368.10/x - Step 3: Cross multiply
81,953.30x = 122,951.82 × 29,368.10 - Step 4: Simplify right side
81,953.30x = 3,610,861,344.94 - Step 5: Solve for x
x = 3,610,861,344.94/81,953.30 - Step 6: Final answer
x = 44,059.99
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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.