Finding the Fourth Proportional to 79,013.76, 118,524.29 and 43,926.99
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Solution
The fourth proportional to 79,013.76, 118,524.29 and 43,926.99 is: 65,892.51
Step by Step Solution
- Step 1: Write the proportion equation
79,013.76 : 118,524.29 = 43,926.99 : x - Step 2: Convert to fraction form
79,013.76/118,524.29 = 43,926.99/x - Step 3: Cross multiply
79,013.76x = 118,524.29 × 43,926.99 - Step 4: Simplify right side
79,013.76x = 5,206,415,081.95 - Step 5: Solve for x
x = 5,206,415,081.95/79,013.76 - Step 6: Final answer
x = 65,892.51
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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.