Finding the Fourth Proportional to 79,560.06, 109,794.66 and 43,752.42
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Solution
The fourth proportional to 79,560.06, 109,794.66 and 43,752.42 is: 60,379.32
Step by Step Solution
- Step 1: Write the proportion equation
79,560.06 : 109,794.66 = 43,752.42 : x - Step 2: Convert to fraction form
79,560.06/109,794.66 = 43,752.42/x - Step 3: Cross multiply
79,560.06x = 109,794.66 × 43,752.42 - Step 4: Simplify right side
79,560.06x = 4,803,782,078.08 - Step 5: Solve for x
x = 4,803,782,078.08/79,560.06 - Step 6: Final answer
x = 60,379.32
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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.