Finding the Fourth Proportional to 89,937.24, 134,911.69 and 29,963.15
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Solution
The fourth proportional to 89,937.24, 134,911.69 and 29,963.15 is: 44,946.67
Step by Step Solution
- Step 1: Write the proportion equation
89,937.24 : 134,911.69 = 29,963.15 : x - Step 2: Convert to fraction form
89,937.24/134,911.69 = 29,963.15/x - Step 3: Cross multiply
89,937.24x = 134,911.69 × 29,963.15 - Step 4: Simplify right side
89,937.24x = 4,042,379,204.22 - Step 5: Solve for x
x = 4,042,379,204.22/89,937.24 - Step 6: Final answer
x = 44,946.67
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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.