Finding the Fourth Proportional to 83,650.68, 125,449.50 and 27,477.72
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Solution
The fourth proportional to 83,650.68, 125,449.50 and 27,477.72 is: 41,207.87
Step by Step Solution
- Step 1: Write the proportion equation
83,650.68 : 125,449.50 = 27,477.72 : x - Step 2: Convert to fraction form
83,650.68/125,449.50 = 27,477.72/x - Step 3: Cross multiply
83,650.68x = 125,449.50 × 27,477.72 - Step 4: Simplify right side
83,650.68x = 3,447,066,235.14 - Step 5: Solve for x
x = 3,447,066,235.14/83,650.68 - Step 6: Final answer
x = 41,207.87
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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.