Finding the Fourth Proportional to 83,927.83, 125,859.88 and 27,751.09
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Solution
The fourth proportional to 83,927.83, 125,859.88 and 27,751.09 is: 41,616.10
Step by Step Solution
- Step 1: Write the proportion equation
83,927.83 : 125,859.88 = 27,751.09 : x - Step 2: Convert to fraction form
83,927.83/125,859.88 = 27,751.09/x - Step 3: Cross multiply
83,927.83x = 125,859.88 × 27,751.09 - Step 4: Simplify right side
83,927.83x = 3,492,748,577.31 - Step 5: Solve for x
x = 3,492,748,577.31/83,927.83 - Step 6: Final answer
x = 41,616.10
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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.