Finding the Fourth Proportional to 79,963.99, 119,987.49 and 32,613.82
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Solution
The fourth proportional to 79,963.99, 119,987.49 and 32,613.82 is: 48,937.66
Step by Step Solution
- Step 1: Write the proportion equation
79,963.99 : 119,987.49 = 32,613.82 : x - Step 2: Convert to fraction form
79,963.99/119,987.49 = 32,613.82/x - Step 3: Cross multiply
79,963.99x = 119,987.49 × 32,613.82 - Step 4: Simplify right side
79,963.99x = 3,913,250,401.11 - Step 5: Solve for x
x = 3,913,250,401.11/79,963.99 - Step 6: Final answer
x = 48,937.66
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1.5x scale
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.