Finding the Fourth Proportional to 89,910.84, 134,888.16 and 29,939.19
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Solution
The fourth proportional to 89,910.84, 134,888.16 and 29,939.19 is: 44,916.09
Step by Step Solution
- Step 1: Write the proportion equation
89,910.84 : 134,888.16 = 29,939.19 : x - Step 2: Convert to fraction form
89,910.84/134,888.16 = 29,939.19/x - Step 3: Cross multiply
89,910.84x = 134,888.16 × 29,939.19 - Step 4: Simplify right side
89,910.84x = 4,038,442,911.35 - Step 5: Solve for x
x = 4,038,442,911.35/89,910.84 - Step 6: Final answer
x = 44,916.09
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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.