Finding the Fourth Proportional to 73,464.76, 101,382.16 and 39,930.76
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Solution
The fourth proportional to 73,464.76, 101,382.16 and 39,930.76 is: 55,104.88
Step by Step Solution
- Step 1: Write the proportion equation
73,464.76 : 101,382.16 = 39,930.76 : x - Step 2: Convert to fraction form
73,464.76/101,382.16 = 39,930.76/x - Step 3: Cross multiply
73,464.76x = 101,382.16 × 39,930.76 - Step 4: Simplify right side
73,464.76x = 4,048,266,699.24 - Step 5: Solve for x
x = 4,048,266,699.24/73,464.76 - Step 6: Final answer
x = 55,104.88
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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.