Finding the Fourth Proportional to 72,203.10, 108,357.87 and 34,252.49
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Solution
The fourth proportional to 72,203.10, 108,357.87 and 34,252.49 is: 51,403.99
Step by Step Solution
- Step 1: Write the proportion equation
72,203.10 : 108,357.87 = 34,252.49 : x - Step 2: Convert to fraction form
72,203.10/108,357.87 = 34,252.49/x - Step 3: Cross multiply
72,203.10x = 108,357.87 × 34,252.49 - Step 4: Simplify right side
72,203.10x = 3,711,527,129.49 - Step 5: Solve for x
x = 3,711,527,129.49/72,203.10 - Step 6: Final answer
x = 51,403.99
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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.