Finding the Fourth Proportional to 79,730.24, 110,027.20 and 43,919.44
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Solution
The fourth proportional to 79,730.24, 110,027.20 and 43,919.44 is: 60,608.53
Step by Step Solution
- Step 1: Write the proportion equation
79,730.24 : 110,027.20 = 43,919.44 : x - Step 2: Convert to fraction form
79,730.24/110,027.20 = 43,919.44/x - Step 3: Cross multiply
79,730.24x = 110,027.20 × 43,919.44 - Step 4: Simplify right side
79,730.24x = 4,832,333,008.77 - Step 5: Solve for x
x = 4,832,333,008.77/79,730.24 - Step 6: Final answer
x = 60,608.53
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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.