Finding the Fourth Proportional to 83,794.18, 115,660.89 and 48,008.02
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Solution
The fourth proportional to 83,794.18, 115,660.89 and 48,008.02 is: 66,265.34
Step by Step Solution
- Step 1: Write the proportion equation
83,794.18 : 115,660.89 = 48,008.02 : x - Step 2: Convert to fraction form
83,794.18/115,660.89 = 48,008.02/x - Step 3: Cross multiply
83,794.18x = 115,660.89 × 48,008.02 - Step 4: Simplify right side
83,794.18x = 5,552,649,742.03 - Step 5: Solve for x
x = 5,552,649,742.03/83,794.18 - Step 6: Final answer
x = 66,265.34
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1.5x scale
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.