Finding the Fourth Proportional to 83,949.96, 125,894.69 and 27,779.70
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Solution
The fourth proportional to 83,949.96, 125,894.69 and 27,779.70 is: 41,659.54
Step by Step Solution
- Step 1: Write the proportion equation
83,949.96 : 125,894.69 = 27,779.70 : x - Step 2: Convert to fraction form
83,949.96/125,894.69 = 27,779.70/x - Step 3: Cross multiply
83,949.96x = 125,894.69 × 27,779.70 - Step 4: Simplify right side
83,949.96x = 3,497,316,719.79 - Step 5: Solve for x
x = 3,497,316,719.79/83,949.96 - Step 6: Final answer
x = 41,659.54
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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.