Finding the Fourth Proportional to 79,080.84, 118,633.14 and 25,755.42
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Solution
The fourth proportional to 79,080.84, 118,633.14 and 25,755.42 is: 38,637.00
Step by Step Solution
- Step 1: Write the proportion equation
79,080.84 : 118,633.14 = 25,755.42 : x - Step 2: Convert to fraction form
79,080.84/118,633.14 = 25,755.42/x - Step 3: Cross multiply
79,080.84x = 118,633.14 × 25,755.42 - Step 4: Simplify right side
79,080.84x = 3,055,446,346.62 - Step 5: Solve for x
x = 3,055,446,346.62/79,080.84 - Step 6: Final answer
x = 38,637.00
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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.