Finding the Fourth Proportional to 106,740.99, 160,062.26 and 31,841.71
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Solution
The fourth proportional to 106,740.99, 160,062.26 and 31,841.71 is: 47,747.88
Step by Step Solution
- Step 1: Write the proportion equation
106,740.99 : 160,062.26 = 31,841.71 : x - Step 2: Convert to fraction form
106,740.99/160,062.26 = 31,841.71/x - Step 3: Cross multiply
106,740.99x = 160,062.26 × 31,841.71 - Step 4: Simplify right side
106,740.99x = 5,096,656,064.86 - Step 5: Solve for x
x = 5,096,656,064.86/106,740.99 - Step 6: Final answer
x = 47,747.88
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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.