Finding the Fourth Proportional to 113,365.13, 169,998.49 and 66,027.52
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Solution
The fourth proportional to 113,365.13, 169,998.49 and 66,027.52 is: 99,012.62
Step by Step Solution
- Step 1: Write the proportion equation
113,365.13 : 169,998.49 = 66,027.52 : x - Step 2: Convert to fraction form
113,365.13/169,998.49 = 66,027.52/x - Step 3: Cross multiply
113,365.13x = 169,998.49 × 66,027.52 - Step 4: Simplify right side
113,365.13x = 11,224,578,698.44 - Step 5: Solve for x
x = 11,224,578,698.44/113,365.13 - Step 6: Final answer
x = 99,012.62
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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.