Finding the Fourth Proportional to 70,714.24, 106,072.35 and 18,122.38
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Solution
The fourth proportional to 70,714.24, 106,072.35 and 18,122.38 is: 27,183.82
Step by Step Solution
- Step 1: Write the proportion equation
70,714.24 : 106,072.35 = 18,122.38 : x - Step 2: Convert to fraction form
70,714.24/106,072.35 = 18,122.38/x - Step 3: Cross multiply
70,714.24x = 106,072.35 × 18,122.38 - Step 4: Simplify right side
70,714.24x = 1,922,283,434.19 - Step 5: Solve for x
x = 1,922,283,434.19/70,714.24 - Step 6: Final answer
x = 27,183.82
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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.