Finding the Fourth Proportional to 84,552.16, 126,718.01 and 47,110.72
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Solution
The fourth proportional to 84,552.16, 126,718.01 and 47,110.72 is: 70,604.66
Step by Step Solution
- Step 1: Write the proportion equation
84,552.16 : 126,718.01 = 47,110.72 : x - Step 2: Convert to fraction form
84,552.16/126,718.01 = 47,110.72/x - Step 3: Cross multiply
84,552.16x = 126,718.01 × 47,110.72 - Step 4: Simplify right side
84,552.16x = 5,969,776,688.07 - Step 5: Solve for x
x = 5,969,776,688.07/84,552.16 - Step 6: Final answer
x = 70,604.66
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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.