Finding the Fourth Proportional to 89,911.24, 134,874.16 and 29,937.55
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Solution
The fourth proportional to 89,911.24, 134,874.16 and 29,937.55 is: 44,908.76
Step by Step Solution
- Step 1: Write the proportion equation
89,911.24 : 134,874.16 = 29,937.55 : x - Step 2: Convert to fraction form
89,911.24/134,874.16 = 29,937.55/x - Step 3: Cross multiply
89,911.24x = 134,874.16 × 29,937.55 - Step 4: Simplify right side
89,911.24x = 4,037,801,917.97 - Step 5: Solve for x
x = 4,037,801,917.97/89,911.24 - Step 6: Final answer
x = 44,908.76
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1.5x scale
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.