Finding the Fourth Proportional to 91,534.32, 126,252.14 and 84,004.97
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Solution
The fourth proportional to 91,534.32, 126,252.14 and 84,004.97 is: 115,866.99
Step by Step Solution
- Step 1: Write the proportion equation
91,534.32 : 126,252.14 = 84,004.97 : x - Step 2: Convert to fraction form
91,534.32/126,252.14 = 84,004.97/x - Step 3: Cross multiply
91,534.32x = 126,252.14 × 84,004.97 - Step 4: Simplify right side
91,534.32x = 10,605,806,181.85 - Step 5: Solve for x
x = 10,605,806,181.85/91,534.32 - Step 6: Final answer
x = 115,866.99
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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.