Finding the Fourth Proportional to 79,841.35, 119,655.63 and 37,732.62
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Solution
The fourth proportional to 79,841.35, 119,655.63 and 37,732.62 is: 56,548.65
Step by Step Solution
- Step 1: Write the proportion equation
79,841.35 : 119,655.63 = 37,732.62 : x - Step 2: Convert to fraction form
79,841.35/119,655.63 = 37,732.62/x - Step 3: Cross multiply
79,841.35x = 119,655.63 × 37,732.62 - Step 4: Simplify right side
79,841.35x = 4,514,920,417.65 - Step 5: Solve for x
x = 4,514,920,417.65/79,841.35 - Step 6: Final answer
x = 56,548.65
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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.