Finding the Fourth Proportional to 89,823.40, 134,735.10 and 26,645.80
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Solution
The fourth proportional to 89,823.40, 134,735.10 and 26,645.80 is: 39,968.70
Step by Step Solution
- Step 1: Write the proportion equation
89,823.40 : 134,735.10 = 26,645.80 : x - Step 2: Convert to fraction form
89,823.40/134,735.10 = 26,645.80/x - Step 3: Cross multiply
89,823.40x = 134,735.10 × 26,645.80 - Step 4: Simplify right side
89,823.40x = 3,590,124,527.58 - Step 5: Solve for x
x = 3,590,124,527.58/89,823.40 - Step 6: Final answer
x = 39,968.70
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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.