Finding the Fourth Proportional to 97,765.99, 134,847.37 and 89,725.56
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Solution
The fourth proportional to 97,765.99, 134,847.37 and 89,725.56 is: 123,757.31
Step by Step Solution
- Step 1: Write the proportion equation
97,765.99 : 134,847.37 = 89,725.56 : x - Step 2: Convert to fraction form
97,765.99/134,847.37 = 89,725.56/x - Step 3: Cross multiply
97,765.99x = 134,847.37 × 89,725.56 - Step 4: Simplify right side
97,765.99x = 12,099,255,563.46 - Step 5: Solve for x
x = 12,099,255,563.46/97,765.99 - Step 6: Final answer
x = 123,757.31
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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.