Finding the Fourth Proportional to 84,258.74, 116,079.28 and 58,718.68
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Solution
The fourth proportional to 84,258.74, 116,079.28 and 58,718.68 is: 80,893.95
Step by Step Solution
- Step 1: Write the proportion equation
84,258.74 : 116,079.28 = 58,718.68 : x - Step 2: Convert to fraction form
84,258.74/116,079.28 = 58,718.68/x - Step 3: Cross multiply
84,258.74x = 116,079.28 × 58,718.68 - Step 4: Simplify right side
84,258.74x = 6,816,022,096.95 - Step 5: Solve for x
x = 6,816,022,096.95/84,258.74 - Step 6: Final answer
x = 80,893.95
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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.