Finding the Fourth Proportional to 79,730.36, 119,610.28 and 32,986.88
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Solution
The fourth proportional to 79,730.36, 119,610.28 and 32,986.88 is: 49,486.42
Step by Step Solution
- Step 1: Write the proportion equation
79,730.36 : 119,610.28 = 32,986.88 : x - Step 2: Convert to fraction form
79,730.36/119,610.28 = 32,986.88/x - Step 3: Cross multiply
79,730.36x = 119,610.28 × 32,986.88 - Step 4: Simplify right side
79,730.36x = 3,945,569,953.13 - Step 5: Solve for x
x = 3,945,569,953.13/79,730.36 - Step 6: Final answer
x = 49,486.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.