Finding the Fourth Proportional to 75,817.61, 113,824.97 and 58,299.74
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Solution
The fourth proportional to 75,817.61, 113,824.97 and 58,299.74 is: 87,525.39
Step by Step Solution
- Step 1: Write the proportion equation
75,817.61 : 113,824.97 = 58,299.74 : x - Step 2: Convert to fraction form
75,817.61/113,824.97 = 58,299.74/x - Step 3: Cross multiply
75,817.61x = 113,824.97 × 58,299.74 - Step 4: Simplify right side
75,817.61x = 6,635,965,865.01 - Step 5: Solve for x
x = 6,635,965,865.01/75,817.61 - Step 6: Final answer
x = 87,525.39
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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.