Finding the Fourth Proportional to 106,361.08, 146,779.28 and 58,616.12
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Solution
The fourth proportional to 106,361.08, 146,779.28 and 58,616.12 is: 80,890.79
Step by Step Solution
- Step 1: Write the proportion equation
106,361.08 : 146,779.28 = 58,616.12 : x - Step 2: Convert to fraction form
106,361.08/146,779.28 = 58,616.12/x - Step 3: Cross multiply
106,361.08x = 146,779.28 × 58,616.12 - Step 4: Simplify right side
106,361.08x = 8,603,631,889.99 - Step 5: Solve for x
x = 8,603,631,889.99/106,361.08 - Step 6: Final answer
x = 80,890.79
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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.