Finding the Fourth Proportional to 69,740.99, 104,572.11 and 63,789.96
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Solution
The fourth proportional to 69,740.99, 104,572.11 and 63,789.96 is: 95,648.92
Step by Step Solution
- Step 1: Write the proportion equation
69,740.99 : 104,572.11 = 63,789.96 : x - Step 2: Convert to fraction form
69,740.99/104,572.11 = 63,789.96/x - Step 3: Cross multiply
69,740.99x = 104,572.11 × 63,789.96 - Step 4: Simplify right side
69,740.99x = 6,670,650,714.02 - Step 5: Solve for x
x = 6,670,650,714.02/69,740.99 - Step 6: Final answer
x = 95,648.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.