Finding the Fourth Proportional to 79,755.84, 110,066.04 and 43,949.79
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Solution
The fourth proportional to 79,755.84, 110,066.04 and 43,949.79 is: 60,652.35
Step by Step Solution
- Step 1: Write the proportion equation
79,755.84 : 110,066.04 = 43,949.79 : x - Step 2: Convert to fraction form
79,755.84/110,066.04 = 43,949.79/x - Step 3: Cross multiply
79,755.84x = 110,066.04 × 43,949.79 - Step 4: Simplify right side
79,755.84x = 4,837,379,344.13 - Step 5: Solve for x
x = 4,837,379,344.13/79,755.84 - Step 6: Final answer
x = 60,652.35
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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.