Finding the Fourth Proportional to 79,731.24, 110,028.58 and 43,920.44
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Solution
The fourth proportional to 79,731.24, 110,028.58 and 43,920.44 is: 60,609.91
Step by Step Solution
- Step 1: Write the proportion equation
79,731.24 : 110,028.58 = 43,920.44 : x - Step 2: Convert to fraction form
79,731.24/110,028.58 = 43,920.44/x - Step 3: Cross multiply
79,731.24x = 110,028.58 × 43,920.44 - Step 4: Simplify right side
79,731.24x = 4,832,503,646.18 - Step 5: Solve for x
x = 4,832,503,646.18/79,731.24 - Step 6: Final answer
x = 60,609.91
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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.