Finding the Fourth Proportional to 79,430.97, 119,121.21 and 26,110.65
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Solution
The fourth proportional to 79,430.97, 119,121.21 and 26,110.65 is: 39,157.68
Step by Step Solution
- Step 1: Write the proportion equation
79,430.97 : 119,121.21 = 26,110.65 : x - Step 2: Convert to fraction form
79,430.97/119,121.21 = 26,110.65/x - Step 3: Cross multiply
79,430.97x = 119,121.21 × 26,110.65 - Step 4: Simplify right side
79,430.97x = 3,110,332,221.89 - Step 5: Solve for x
x = 3,110,332,221.89/79,430.97 - Step 6: Final answer
x = 39,157.68
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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.