Finding the Fourth Proportional to 84,195.36, 126,313.84 and 25,030.76
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Solution
The fourth proportional to 84,195.36, 126,313.84 and 25,030.76 is: 37,552.32
Step by Step Solution
- Step 1: Write the proportion equation
84,195.36 : 126,313.84 = 25,030.76 : x - Step 2: Convert to fraction form
84,195.36/126,313.84 = 25,030.76/x - Step 3: Cross multiply
84,195.36x = 126,313.84 × 25,030.76 - Step 4: Simplify right side
84,195.36x = 3,161,731,413.72 - Step 5: Solve for x
x = 3,161,731,413.72/84,195.36 - Step 6: Final answer
x = 37,552.32
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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.