Finding the Fourth Proportional to 73,635.18, 110,478.87 and 31,497.54
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Solution
The fourth proportional to 73,635.18, 110,478.87 and 31,497.54 is: 47,257.47
Step by Step Solution
- Step 1: Write the proportion equation
73,635.18 : 110,478.87 = 31,497.54 : x - Step 2: Convert to fraction form
73,635.18/110,478.87 = 31,497.54/x - Step 3: Cross multiply
73,635.18x = 110,478.87 × 31,497.54 - Step 4: Simplify right side
73,635.18x = 3,479,812,626.98 - Step 5: Solve for x
x = 3,479,812,626.98/73,635.18 - Step 6: Final answer
x = 47,257.47
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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.