Finding the Fourth Proportional to 89,780.24, 134,670.36 and 27,450.74
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Solution
The fourth proportional to 89,780.24, 134,670.36 and 27,450.74 is: 41,176.11
Step by Step Solution
- Step 1: Write the proportion equation
89,780.24 : 134,670.36 = 27,450.74 : x - Step 2: Convert to fraction form
89,780.24/134,670.36 = 27,450.74/x - Step 3: Cross multiply
89,780.24x = 134,670.36 × 27,450.74 - Step 4: Simplify right side
89,780.24x = 3,696,801,038.07 - Step 5: Solve for x
x = 3,696,801,038.07/89,780.24 - Step 6: Final answer
x = 41,176.11
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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.