Finding the Fourth Proportional to 75,697.21, 104,461.65 and 41,704.91
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Solution
The fourth proportional to 75,697.21, 104,461.65 and 41,704.91 is: 57,552.50
Step by Step Solution
- Step 1: Write the proportion equation
75,697.21 : 104,461.65 = 41,704.91 : x - Step 2: Convert to fraction form
75,697.21/104,461.65 = 41,704.91/x - Step 3: Cross multiply
75,697.21x = 104,461.65 × 41,704.91 - Step 4: Simplify right side
75,697.21x = 4,356,563,711.70 - Step 5: Solve for x
x = 4,356,563,711.70/75,697.21 - Step 6: Final answer
x = 57,552.50
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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.