Finding the Fourth Proportional to 69,786.24, 104,663.64 and 19,865.23
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Solution
The fourth proportional to 69,786.24, 104,663.64 and 19,865.23 is: 29,793.37
Step by Step Solution
- Step 1: Write the proportion equation
69,786.24 : 104,663.64 = 19,865.23 : x - Step 2: Convert to fraction form
69,786.24/104,663.64 = 19,865.23/x - Step 3: Cross multiply
69,786.24x = 104,663.64 × 19,865.23 - Step 4: Simplify right side
69,786.24x = 2,079,167,281.24 - Step 5: Solve for x
x = 2,079,167,281.24/69,786.24 - Step 6: Final answer
x = 29,793.37
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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.