Finding the Fourth Proportional to 126,850.24, 175,089.36 and 76,552.48
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Solution
The fourth proportional to 126,850.24, 175,089.36 and 76,552.48 is: 105,664.17
Step by Step Solution
- Step 1: Write the proportion equation
126,850.24 : 175,089.36 = 76,552.48 : x - Step 2: Convert to fraction form
126,850.24/175,089.36 = 76,552.48/x - Step 3: Cross multiply
126,850.24x = 175,089.36 × 76,552.48 - Step 4: Simplify right side
126,850.24x = 13,403,524,729.61 - Step 5: Solve for x
x = 13,403,524,729.61/126,850.24 - Step 6: Final answer
x = 105,664.17
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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.