Finding the Fourth Proportional to 79,938.99, 110,315.97 and 44,129.05
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Solution
The fourth proportional to 79,938.99, 110,315.97 and 44,129.05 is: 60,898.18
Step by Step Solution
- Step 1: Write the proportion equation
79,938.99 : 110,315.97 = 44,129.05 : x - Step 2: Convert to fraction form
79,938.99/110,315.97 = 44,129.05/x - Step 3: Cross multiply
79,938.99x = 110,315.97 × 44,129.05 - Step 4: Simplify right side
79,938.99x = 4,868,138,680.14 - Step 5: Solve for x
x = 4,868,138,680.14/79,938.99 - Step 6: Final answer
x = 60,898.18
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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.