Finding the Fourth Proportional to 79,203.24, 118,832.20 and 49,585.79
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Solution
The fourth proportional to 79,203.24, 118,832.20 and 49,585.79 is: 74,395.80
Step by Step Solution
- Step 1: Write the proportion equation
79,203.24 : 118,832.20 = 49,585.79 : x - Step 2: Convert to fraction form
79,203.24/118,832.20 = 49,585.79/x - Step 3: Cross multiply
79,203.24x = 118,832.20 × 49,585.79 - Step 4: Simplify right side
79,203.24x = 5,892,388,687.55 - Step 5: Solve for x
x = 5,892,388,687.55/79,203.24 - Step 6: Final answer
x = 74,395.80
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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.