Finding the Fourth Proportional to 83,924.64, 125,855.10 and 27,747.90
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Solution
The fourth proportional to 83,924.64, 125,855.10 and 27,747.90 is: 41,611.32
Step by Step Solution
- Step 1: Write the proportion equation
83,924.64 : 125,855.10 = 27,747.90 : x - Step 2: Convert to fraction form
83,924.64/125,855.10 = 27,747.90/x - Step 3: Cross multiply
83,924.64x = 125,855.10 × 27,747.90 - Step 4: Simplify right side
83,924.64x = 3,492,214,729.29 - Step 5: Solve for x
x = 3,492,214,729.29/83,924.64 - Step 6: Final answer
x = 41,611.32
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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.