Finding the Fourth Proportional to 84,434.68, 116,506.74 and 48,626.20
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Solution
The fourth proportional to 84,434.68, 116,506.74 and 48,626.20 is: 67,096.60
Step by Step Solution
- Step 1: Write the proportion equation
84,434.68 : 116,506.74 = 48,626.20 : x - Step 2: Convert to fraction form
84,434.68/116,506.74 = 48,626.20/x - Step 3: Cross multiply
84,434.68x = 116,506.74 × 48,626.20 - Step 4: Simplify right side
84,434.68x = 5,665,280,040.59 - Step 5: Solve for x
x = 5,665,280,040.59/84,434.68 - Step 6: Final answer
x = 67,096.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.