Finding the Fourth Proportional to 86,751.63, 130,125.02 and 27,590.85
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Solution
The fourth proportional to 86,751.63, 130,125.02 and 27,590.85 is: 41,385.50
Step by Step Solution
- Step 1: Write the proportion equation
86,751.63 : 130,125.02 = 27,590.85 : x - Step 2: Convert to fraction form
86,751.63/130,125.02 = 27,590.85/x - Step 3: Cross multiply
86,751.63x = 130,125.02 × 27,590.85 - Step 4: Simplify right side
86,751.63x = 3,590,259,770.11 - Step 5: Solve for x
x = 3,590,259,770.11/86,751.63 - Step 6: Final answer
x = 41,385.50
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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.