Finding the Fourth Proportional to 79,875.62, 119,743.72 and 29,942.31
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Solution
The fourth proportional to 79,875.62, 119,743.72 and 29,942.31 is: 44,887.33
Step by Step Solution
- Step 1: Write the proportion equation
79,875.62 : 119,743.72 = 29,942.31 : x - Step 2: Convert to fraction form
79,875.62/119,743.72 = 29,942.31/x - Step 3: Cross multiply
79,875.62x = 119,743.72 × 29,942.31 - Step 4: Simplify right side
79,875.62x = 3,585,403,285.42 - Step 5: Solve for x
x = 3,585,403,285.42/79,875.62 - Step 6: Final answer
x = 44,887.33
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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.