Finding the Fourth Proportional to 79,959.68, 110,348.68 and 44,149.58
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Solution
The fourth proportional to 79,959.68, 110,348.68 and 44,149.58 is: 60,928.81
Step by Step Solution
- Step 1: Write the proportion equation
79,959.68 : 110,348.68 = 44,149.58 : x - Step 2: Convert to fraction form
79,959.68/110,348.68 = 44,149.58/x - Step 3: Cross multiply
79,959.68x = 110,348.68 × 44,149.58 - Step 4: Simplify right side
79,959.68x = 4,871,847,875.55 - Step 5: Solve for x
x = 4,871,847,875.55/79,959.68 - Step 6: Final answer
x = 60,928.81
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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.