Finding the Fourth Proportional to 79,387.13, 119,098.92 and 34,416.06
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Solution
The fourth proportional to 79,387.13, 119,098.92 and 34,416.06 is: 51,631.99
Step by Step Solution
- Step 1: Write the proportion equation
79,387.13 : 119,098.92 = 34,416.06 : x - Step 2: Convert to fraction form
79,387.13/119,098.92 = 34,416.06/x - Step 3: Cross multiply
79,387.13x = 119,098.92 × 34,416.06 - Step 4: Simplify right side
79,387.13x = 4,098,915,576.66 - Step 5: Solve for x
x = 4,098,915,576.66/79,387.13 - Step 6: Final answer
x = 51,631.99
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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.