Finding the Fourth Proportional to 104,411.66, 144,087.34 and 56,663.99
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Solution
The fourth proportional to 104,411.66, 144,087.34 and 56,663.99 is: 78,195.89
Step by Step Solution
- Step 1: Write the proportion equation
104,411.66 : 144,087.34 = 56,663.99 : x - Step 2: Convert to fraction form
104,411.66/144,087.34 = 56,663.99/x - Step 3: Cross multiply
104,411.66x = 144,087.34 × 56,663.99 - Step 4: Simplify right side
104,411.66x = 8,164,562,589.13 - Step 5: Solve for x
x = 8,164,562,589.13/104,411.66 - Step 6: Final answer
x = 78,195.89
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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.