Finding the Fourth Proportional to 73,631.70, 101,610.99 and 40,097.70
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Solution
The fourth proportional to 73,631.70, 101,610.99 and 40,097.70 is: 55,334.41
Step by Step Solution
- Step 1: Write the proportion equation
73,631.70 : 101,610.99 = 40,097.70 : x - Step 2: Convert to fraction form
73,631.70/101,610.99 = 40,097.70/x - Step 3: Cross multiply
73,631.70x = 101,610.99 × 40,097.70 - Step 4: Simplify right side
73,631.70x = 4,074,366,993.72 - Step 5: Solve for x
x = 4,074,366,993.72/73,631.70 - Step 6: Final answer
x = 55,334.41
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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.