Finding the Fourth Proportional to 73,741.88, 101,763.99 and 40,207.88
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Solution
The fourth proportional to 73,741.88, 101,763.99 and 40,207.88 is: 55,486.98
Step by Step Solution
- Step 1: Write the proportion equation
73,741.88 : 101,763.99 = 40,207.88 : x - Step 2: Convert to fraction form
73,741.88/101,763.99 = 40,207.88/x - Step 3: Cross multiply
73,741.88x = 101,763.99 × 40,207.88 - Step 4: Simplify right side
73,741.88x = 4,091,713,789.42 - Step 5: Solve for x
x = 4,091,713,789.42/73,741.88 - Step 6: Final answer
x = 55,486.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.