Finding the Fourth Proportional to 126,855.24, 175,096.26 and 76,557.48
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Solution
The fourth proportional to 126,855.24, 175,096.26 and 76,557.48 is: 105,671.07
Step by Step Solution
- Step 1: Write the proportion equation
126,855.24 : 175,096.26 = 76,557.48 : x - Step 2: Convert to fraction form
126,855.24/175,096.26 = 76,557.48/x - Step 3: Cross multiply
126,855.24x = 175,096.26 × 76,557.48 - Step 4: Simplify right side
126,855.24x = 13,404,928,423.02 - Step 5: Solve for x
x = 13,404,928,423.02/126,855.24 - Step 6: Final answer
x = 105,671.07
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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.