Finding the Fourth Proportional to 115,756.17, 173,640.98 and 44,679.21
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Solution
The fourth proportional to 115,756.17, 173,640.98 and 44,679.21 is: 67,021.41
Step by Step Solution
- Step 1: Write the proportion equation
115,756.17 : 173,640.98 = 44,679.21 : x - Step 2: Convert to fraction form
115,756.17/173,640.98 = 44,679.21/x - Step 3: Cross multiply
115,756.17x = 173,640.98 × 44,679.21 - Step 4: Simplify right side
115,756.17x = 7,758,142,244.13 - Step 5: Solve for x
x = 7,758,142,244.13/115,756.17 - Step 6: Final answer
x = 67,021.41
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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.