Finding the Fourth Proportional to 79,800.28, 110,119.44 and 43,988.44
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Solution
The fourth proportional to 79,800.28, 110,119.44 and 43,988.44 is: 60,701.32
Step by Step Solution
- Step 1: Write the proportion equation
79,800.28 : 110,119.44 = 43,988.44 : x - Step 2: Convert to fraction form
79,800.28/110,119.44 = 43,988.44/x - Step 3: Cross multiply
79,800.28x = 110,119.44 × 43,988.44 - Step 4: Simplify right side
79,800.28x = 4,843,982,379.27 - Step 5: Solve for x
x = 4,843,982,379.27/79,800.28 - Step 6: Final answer
x = 60,701.32
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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.