Finding the Fourth Proportional to 79,622.47, 119,452.16 and 27,031.95
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Solution
The fourth proportional to 79,622.47, 119,452.16 and 27,031.95 is: 40,554.19
Step by Step Solution
- Step 1: Write the proportion equation
79,622.47 : 119,452.16 = 27,031.95 : x - Step 2: Convert to fraction form
79,622.47/119,452.16 = 27,031.95/x - Step 3: Cross multiply
79,622.47x = 119,452.16 × 27,031.95 - Step 4: Simplify right side
79,622.47x = 3,229,024,816.51 - Step 5: Solve for x
x = 3,229,024,816.51/79,622.47 - Step 6: Final answer
x = 40,554.19
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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.