Finding the Fourth Proportional to 79,501.44, 109,709.76 and 43,691.46
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Solution
The fourth proportional to 79,501.44, 109,709.76 and 43,691.46 is: 60,292.99
Step by Step Solution
- Step 1: Write the proportion equation
79,501.44 : 109,709.76 = 43,691.46 : x - Step 2: Convert to fraction form
79,501.44/109,709.76 = 43,691.46/x - Step 3: Cross multiply
79,501.44x = 109,709.76 × 43,691.46 - Step 4: Simplify right side
79,501.44x = 4,793,379,590.65 - Step 5: Solve for x
x = 4,793,379,590.65/79,501.44 - Step 6: Final answer
x = 60,292.99
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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.