Finding the Fourth Proportional to 97,694.20, 134,832.50 and 61,887.54
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Solution
The fourth proportional to 97,694.20, 134,832.50 and 61,887.54 is: 85,414.00
Step by Step Solution
- Step 1: Write the proportion equation
97,694.20 : 134,832.50 = 61,887.54 : x - Step 2: Convert to fraction form
97,694.20/134,832.50 = 61,887.54/x - Step 3: Cross multiply
97,694.20x = 134,832.50 × 61,887.54 - Step 4: Simplify right side
97,694.20x = 8,344,452,165.31 - Step 5: Solve for x
x = 8,344,452,165.31/97,694.20 - Step 6: Final answer
x = 85,414.00
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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.