Finding the Fourth Proportional to 106,409.36, 159,409.72 and 59,520.08
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Solution
The fourth proportional to 106,409.36, 159,409.72 and 59,520.08 is: 89,165.83
Step by Step Solution
- Step 1: Write the proportion equation
106,409.36 : 159,409.72 = 59,520.08 : x - Step 2: Convert to fraction form
106,409.36/159,409.72 = 59,520.08/x - Step 3: Cross multiply
106,409.36x = 159,409.72 × 59,520.08 - Step 4: Simplify right side
106,409.36x = 9,488,079,287.18 - Step 5: Solve for x
x = 9,488,079,287.18/106,409.36 - Step 6: Final answer
x = 89,165.83
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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.