Finding the Fourth Proportional to 72,635.06, 108,890.19 and 25,243.99
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Solution
The fourth proportional to 72,635.06, 108,890.19 and 25,243.99 is: 37,844.30
Step by Step Solution
- Step 1: Write the proportion equation
72,635.06 : 108,890.19 = 25,243.99 : x - Step 2: Convert to fraction form
72,635.06/108,890.19 = 25,243.99/x - Step 3: Cross multiply
72,635.06x = 108,890.19 × 25,243.99 - Step 4: Simplify right side
72,635.06x = 2,748,823,160.41 - Step 5: Solve for x
x = 2,748,823,160.41/72,635.06 - Step 6: Final answer
x = 37,844.30
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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.