Finding the Fourth Proportional to 99,598.81, 149,427.41 and 32,129.49
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Solution
The fourth proportional to 99,598.81, 149,427.41 and 32,129.49 is: 48,203.65
Step by Step Solution
- Step 1: Write the proportion equation
99,598.81 : 149,427.41 = 32,129.49 : x - Step 2: Convert to fraction form
99,598.81/149,427.41 = 32,129.49/x - Step 3: Cross multiply
99,598.81x = 149,427.41 × 32,129.49 - Step 4: Simplify right side
99,598.81x = 4,801,025,941.10 - Step 5: Solve for x
x = 4,801,025,941.10/99,598.81 - Step 6: Final answer
x = 48,203.65
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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.