Finding the Fourth Proportional to 83,924.06, 125,884.84 and 20,744.18
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Solution
The fourth proportional to 83,924.06, 125,884.84 and 20,744.18 is: 31,115.96
Step by Step Solution
- Step 1: Write the proportion equation
83,924.06 : 125,884.84 = 20,744.18 : x - Step 2: Convert to fraction form
83,924.06/125,884.84 = 20,744.18/x - Step 3: Cross multiply
83,924.06x = 125,884.84 × 20,744.18 - Step 4: Simplify right side
83,924.06x = 2,611,377,780.23 - Step 5: Solve for x
x = 2,611,377,780.23/83,924.06 - Step 6: Final answer
x = 31,115.96
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1.5x scale
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.