Finding the Fourth Proportional to 126,871.06, 175,092.75 and 70,287.70
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Solution
The fourth proportional to 126,871.06, 175,092.75 and 70,287.70 is: 97,002.95
Step by Step Solution
- Step 1: Write the proportion equation
126,871.06 : 175,092.75 = 70,287.70 : x - Step 2: Convert to fraction form
126,871.06/175,092.75 = 70,287.70/x - Step 3: Cross multiply
126,871.06x = 175,092.75 × 70,287.70 - Step 4: Simplify right side
126,871.06x = 12,306,866,684.18 - Step 5: Solve for x
x = 12,306,866,684.18/126,871.06 - Step 6: Final answer
x = 97,002.95
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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.