Finding the Fourth Proportional to 76,020.99, 113,908.37 and 46,349.07
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Solution
The fourth proportional to 76,020.99, 113,908.37 and 46,349.07 is: 69,448.54
Step by Step Solution
- Step 1: Write the proportion equation
76,020.99 : 113,908.37 = 46,349.07 : x - Step 2: Convert to fraction form
76,020.99/113,908.37 = 46,349.07/x - Step 3: Cross multiply
76,020.99x = 113,908.37 × 46,349.07 - Step 4: Simplify right side
76,020.99x = 5,279,546,782.97 - Step 5: Solve for x
x = 5,279,546,782.97/76,020.99 - Step 6: Final answer
x = 69,448.54
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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.