Finding the Fourth Proportional to 86,446.07, 119,290.97 and 48,209.54
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Solution
The fourth proportional to 86,446.07, 119,290.97 and 48,209.54 is: 66,526.60
Step by Step Solution
- Step 1: Write the proportion equation
86,446.07 : 119,290.97 = 48,209.54 : x - Step 2: Convert to fraction form
86,446.07/119,290.97 = 48,209.54/x - Step 3: Cross multiply
86,446.07x = 119,290.97 × 48,209.54 - Step 4: Simplify right side
86,446.07x = 5,750,962,548.81 - Step 5: Solve for x
x = 5,750,962,548.81/86,446.07 - Step 6: Final answer
x = 66,526.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.