Finding the Fourth Proportional to 79,959.45, 110,343.33 and 44,148.69
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Solution
The fourth proportional to 79,959.45, 110,343.33 and 44,148.69 is: 60,924.80
Step by Step Solution
- Step 1: Write the proportion equation
79,959.45 : 110,343.33 = 44,148.69 : x - Step 2: Convert to fraction form
79,959.45/110,343.33 = 44,148.69/x - Step 3: Cross multiply
79,959.45x = 110,343.33 × 44,148.69 - Step 4: Simplify right side
79,959.45x = 4,871,513,469.74 - Step 5: Solve for x
x = 4,871,513,469.74/79,959.45 - Step 6: Final answer
x = 60,924.80
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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.