Finding the Fourth Proportional to 104,869.08, 144,722.70 and 57,124.44
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Solution
The fourth proportional to 104,869.08, 144,722.70 and 57,124.44 is: 78,833.56
Step by Step Solution
- Step 1: Write the proportion equation
104,869.08 : 144,722.70 = 57,124.44 : x - Step 2: Convert to fraction form
104,869.08/144,722.70 = 57,124.44/x - Step 3: Cross multiply
104,869.08x = 144,722.70 × 57,124.44 - Step 4: Simplify right side
104,869.08x = 8,267,203,192.79 - Step 5: Solve for x
x = 8,267,203,192.79/104,869.08 - Step 6: Final answer
x = 78,833.56
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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.