Finding the Fourth Proportional to 96,620.80, 133,299.12 and 73,935.96
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Solution
The fourth proportional to 96,620.80, 133,299.12 and 73,935.96 is: 102,002.86
Step by Step Solution
- Step 1: Write the proportion equation
96,620.80 : 133,299.12 = 73,935.96 : x - Step 2: Convert to fraction form
96,620.80/133,299.12 = 73,935.96/x - Step 3: Cross multiply
96,620.80x = 133,299.12 × 73,935.96 - Step 4: Simplify right side
96,620.80x = 9,855,598,404.36 - Step 5: Solve for x
x = 9,855,598,404.36/96,620.80 - Step 6: Final answer
x = 102,002.86
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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.