Finding the Fourth Proportional to 84,132.04, 126,170.76 and 27,957.07
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Solution
The fourth proportional to 84,132.04, 126,170.76 and 27,957.07 is: 41,926.53
Step by Step Solution
- Step 1: Write the proportion equation
84,132.04 : 126,170.76 = 27,957.07 : x - Step 2: Convert to fraction form
84,132.04/126,170.76 = 27,957.07/x - Step 3: Cross multiply
84,132.04x = 126,170.76 × 27,957.07 - Step 4: Simplify right side
84,132.04x = 3,527,364,769.27 - Step 5: Solve for x
x = 3,527,364,769.27/84,132.04 - Step 6: Final answer
x = 41,926.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.