Finding the Fourth Proportional to 126,869.24, 175,079.45 and 69,512.14
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Solution
The fourth proportional to 126,869.24, 175,079.45 and 69,512.14 is: 95,926.70
Step by Step Solution
- Step 1: Write the proportion equation
126,869.24 : 175,079.45 = 69,512.14 : x - Step 2: Convert to fraction form
126,869.24/175,079.45 = 69,512.14/x - Step 3: Cross multiply
126,869.24x = 175,079.45 × 69,512.14 - Step 4: Simplify right side
126,869.24x = 12,170,146,698.03 - Step 5: Solve for x
x = 12,170,146,698.03/126,869.24 - Step 6: Final answer
x = 95,926.70
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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.