Finding the Fourth Proportional to 113,957.86, 170,936.91 and 29,717.95
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Solution
The fourth proportional to 113,957.86, 170,936.91 and 29,717.95 is: 44,576.95
Step by Step Solution
- Step 1: Write the proportion equation
113,957.86 : 170,936.91 = 29,717.95 : x - Step 2: Convert to fraction form
113,957.86/170,936.91 = 29,717.95/x - Step 3: Cross multiply
113,957.86x = 170,936.91 × 29,717.95 - Step 4: Simplify right side
113,957.86x = 5,079,893,541.26 - Step 5: Solve for x
x = 5,079,893,541.26/113,957.86 - Step 6: Final answer
x = 44,576.95
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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.