Finding the Fourth Proportional to 67,769.01, 101,652.78 and 27,779.08
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Solution
The fourth proportional to 67,769.01, 101,652.78 and 27,779.08 is: 41,668.32
Step by Step Solution
- Step 1: Write the proportion equation
67,769.01 : 101,652.78 = 27,779.08 : x - Step 2: Convert to fraction form
67,769.01/101,652.78 = 27,779.08/x - Step 3: Cross multiply
67,769.01x = 101,652.78 × 27,779.08 - Step 4: Simplify right side
67,769.01x = 2,823,820,707.84 - Step 5: Solve for x
x = 2,823,820,707.84/67,769.01 - Step 6: Final answer
x = 41,668.32
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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.