Finding the Fourth Proportional to 73,605.75, 101,576.07 and 40,071.75
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Solution
The fourth proportional to 73,605.75, 101,576.07 and 40,071.75 is: 55,299.09
Step by Step Solution
- Step 1: Write the proportion equation
73,605.75 : 101,576.07 = 40,071.75 : x - Step 2: Convert to fraction form
73,605.75/101,576.07 = 40,071.75/x - Step 3: Cross multiply
73,605.75x = 101,576.07 × 40,071.75 - Step 4: Simplify right side
73,605.75x = 4,070,330,883.02 - Step 5: Solve for x
x = 4,070,330,883.02/73,605.75 - Step 6: Final answer
x = 55,299.09
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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.