Finding the Fourth Proportional to 126,312.11, 174,310.86 and 69,723.48
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Solution
The fourth proportional to 126,312.11, 174,310.86 and 69,723.48 is: 96,218.49
Step by Step Solution
- Step 1: Write the proportion equation
126,312.11 : 174,310.86 = 69,723.48 : x - Step 2: Convert to fraction form
126,312.11/174,310.86 = 69,723.48/x - Step 3: Cross multiply
126,312.11x = 174,310.86 × 69,723.48 - Step 4: Simplify right side
126,312.11x = 12,153,559,760.99 - Step 5: Solve for x
x = 12,153,559,760.99/126,312.11 - Step 6: Final answer
x = 96,218.49
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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.