Finding the Fourth Proportional to 115,717.84, 173,599.98 and 49,157.44
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Solution
The fourth proportional to 115,717.84, 173,599.98 and 49,157.44 is: 73,746.02
Step by Step Solution
- Step 1: Write the proportion equation
115,717.84 : 173,599.98 = 49,157.44 : x - Step 2: Convert to fraction form
115,717.84/173,599.98 = 49,157.44/x - Step 3: Cross multiply
115,717.84x = 173,599.98 × 49,157.44 - Step 4: Simplify right side
115,717.84x = 8,533,730,600.85 - Step 5: Solve for x
x = 8,533,730,600.85/115,717.84 - Step 6: Final answer
x = 73,746.02
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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.