Finding the Fourth Proportional to 113,946.74, 170,966.09 and 50,723.66
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Solution
The fourth proportional to 113,946.74, 170,966.09 and 50,723.66 is: 76,105.95
Step by Step Solution
- Step 1: Write the proportion equation
113,946.74 : 170,966.09 = 50,723.66 : x - Step 2: Convert to fraction form
113,946.74/170,966.09 = 50,723.66/x - Step 3: Cross multiply
113,946.74x = 170,966.09 × 50,723.66 - Step 4: Simplify right side
113,946.74x = 8,672,024,712.24 - Step 5: Solve for x
x = 8,672,024,712.24/113,946.74 - Step 6: Final answer
x = 76,105.95
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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.