Finding the Fourth Proportional to 84,718.84, 127,106.58 and 32,143.48
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Solution
The fourth proportional to 84,718.84, 127,106.58 and 32,143.48 is: 48,225.96
Step by Step Solution
- Step 1: Write the proportion equation
84,718.84 : 127,106.58 = 32,143.48 : x - Step 2: Convert to fraction form
84,718.84/127,106.58 = 32,143.48/x - Step 3: Cross multiply
84,718.84x = 127,106.58 × 32,143.48 - Step 4: Simplify right side
84,718.84x = 4,085,647,812.10 - Step 5: Solve for x
x = 4,085,647,812.10/84,718.84 - Step 6: Final answer
x = 48,225.96
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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.