Finding the Fourth Proportional to 106,757.05, 147,330.48 and 59,014.84
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Solution
The fourth proportional to 106,757.05, 147,330.48 and 59,014.84 is: 81,443.66
Step by Step Solution
- Step 1: Write the proportion equation
106,757.05 : 147,330.48 = 59,014.84 : x - Step 2: Convert to fraction form
106,757.05/147,330.48 = 59,014.84/x - Step 3: Cross multiply
106,757.05x = 147,330.48 × 59,014.84 - Step 4: Simplify right side
106,757.05x = 8,694,684,704.32 - Step 5: Solve for x
x = 8,694,684,704.32/106,757.05 - Step 6: Final answer
x = 81,443.66
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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.