Finding the Fourth Proportional to 77,469.97, 106,919.29 and 43,480.48
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Solution
The fourth proportional to 77,469.97, 106,919.29 and 43,480.48 is: 60,009.09
Step by Step Solution
- Step 1: Write the proportion equation
77,469.97 : 106,919.29 = 43,480.48 : x - Step 2: Convert to fraction form
77,469.97/106,919.29 = 43,480.48/x - Step 3: Cross multiply
77,469.97x = 106,919.29 × 43,480.48 - Step 4: Simplify right side
77,469.97x = 4,648,902,050.46 - Step 5: Solve for x
x = 4,648,902,050.46/77,469.97 - Step 6: Final answer
x = 60,009.09
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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.