Finding the Fourth Proportional to 79,937.27, 110,311.63 and 44,130.68
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Solution
The fourth proportional to 79,937.27, 110,311.63 and 44,130.68 is: 60,899.34
Step by Step Solution
- Step 1: Write the proportion equation
79,937.27 : 110,311.63 = 44,130.68 : x - Step 2: Convert to fraction form
79,937.27/110,311.63 = 44,130.68/x - Step 3: Cross multiply
79,937.27x = 110,311.63 × 44,130.68 - Step 4: Simplify right side
79,937.27x = 4,868,126,581.92 - Step 5: Solve for x
x = 4,868,126,581.92/79,937.27 - Step 6: Final answer
x = 60,899.34
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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.