Finding the Fourth Proportional to 106,437.60, 159,579.60 and 59,704.80
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Solution
The fourth proportional to 106,437.60, 159,579.60 and 59,704.80 is: 89,514.12
Step by Step Solution
- Step 1: Write the proportion equation
106,437.60 : 159,579.60 = 59,704.80 : x - Step 2: Convert to fraction form
106,437.60/159,579.60 = 59,704.80/x - Step 3: Cross multiply
106,437.60x = 159,579.60 × 59,704.80 - Step 4: Simplify right side
106,437.60x = 9,527,668,102.08 - Step 5: Solve for x
x = 9,527,668,102.08/106,437.60 - Step 6: Final answer
x = 89,514.12
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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.