Finding the Fourth Proportional to 75,896.70, 106,410.90 and 75,896.70
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Solution
The fourth proportional to 75,896.70, 106,410.90 and 75,896.70 is: 106,410.90
Step by Step Solution
- Step 1: Write the proportion equation
75,896.70 : 106,410.90 = 75,896.70 : x - Step 2: Convert to fraction form
75,896.70/106,410.90 = 75,896.70/x - Step 3: Cross multiply
75,896.70x = 106,410.90 × 75,896.70 - Step 4: Simplify right side
75,896.70x = 8,076,236,154.03 - Step 5: Solve for x
x = 8,076,236,154.03/75,896.70 - Step 6: Final answer
x = 106,410.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.