Finding the Fourth Proportional to 126,990.99, 175,240.26 and 69,619.23
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Solution
The fourth proportional to 126,990.99, 175,240.26 and 69,619.23 is: 96,070.53
Step by Step Solution
- Step 1: Write the proportion equation
126,990.99 : 175,240.26 = 69,619.23 : x - Step 2: Convert to fraction form
126,990.99/175,240.26 = 69,619.23/x - Step 3: Cross multiply
126,990.99x = 175,240.26 × 69,619.23 - Step 4: Simplify right side
126,990.99x = 12,200,091,966.20 - Step 5: Solve for x
x = 12,200,091,966.20/126,990.99 - Step 6: Final answer
x = 96,070.53
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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.