Finding the Fourth Proportional to 86,697.12, 130,053.96 and 24,367.44
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Solution
The fourth proportional to 86,697.12, 130,053.96 and 24,367.44 is: 36,553.49
Step by Step Solution
- Step 1: Write the proportion equation
86,697.12 : 130,053.96 = 24,367.44 : x - Step 2: Convert to fraction form
86,697.12/130,053.96 = 24,367.44/x - Step 3: Cross multiply
86,697.12x = 130,053.96 × 24,367.44 - Step 4: Simplify right side
86,697.12x = 3,169,082,067.06 - Step 5: Solve for x
x = 3,169,082,067.06/86,697.12 - Step 6: Final answer
x = 36,553.49
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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.