Finding the Fourth Proportional to 77,741.72, 116,622.08 and 27,827.08
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Solution
The fourth proportional to 77,741.72, 116,622.08 and 27,827.08 is: 41,744.02
Step by Step Solution
- Step 1: Write the proportion equation
77,741.72 : 116,622.08 = 27,827.08 : x - Step 2: Convert to fraction form
77,741.72/116,622.08 = 27,827.08/x - Step 3: Cross multiply
77,741.72x = 116,622.08 × 27,827.08 - Step 4: Simplify right side
77,741.72x = 3,245,251,949.93 - Step 5: Solve for x
x = 3,245,251,949.93/77,741.72 - Step 6: Final answer
x = 41,744.02
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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.