Finding the Fourth Proportional to 80,125.12, 110,554.57 and 47,853.88
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Solution
The fourth proportional to 80,125.12, 110,554.57 and 47,853.88 is: 66,027.55
Step by Step Solution
- Step 1: Write the proportion equation
80,125.12 : 110,554.57 = 47,853.88 : x - Step 2: Convert to fraction form
80,125.12/110,554.57 = 47,853.88/x - Step 3: Cross multiply
80,125.12x = 110,554.57 × 47,853.88 - Step 4: Simplify right side
80,125.12x = 5,290,465,126.23 - Step 5: Solve for x
x = 5,290,465,126.23/80,125.12 - Step 6: Final answer
x = 66,027.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.