Finding the Fourth Proportional to 96,967.20, 145,450.92 and 83,779.68
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Solution
The fourth proportional to 96,967.20, 145,450.92 and 83,779.68 is: 125,669.62
Step by Step Solution
- Step 1: Write the proportion equation
96,967.20 : 145,450.92 = 83,779.68 : x - Step 2: Convert to fraction form
96,967.20/145,450.92 = 83,779.68/x - Step 3: Cross multiply
96,967.20x = 145,450.92 × 83,779.68 - Step 4: Simplify right side
96,967.20x = 12,185,831,533.31 - Step 5: Solve for x
x = 12,185,831,533.31/96,967.20 - Step 6: Final answer
x = 125,669.62
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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.