Finding the Fourth Proportional to 99,631.74, 149,415.11 and 33,053.99
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Solution
The fourth proportional to 99,631.74, 149,415.11 and 33,053.99 is: 49,570.20
Step by Step Solution
- Step 1: Write the proportion equation
99,631.74 : 149,415.11 = 33,053.99 : x - Step 2: Convert to fraction form
99,631.74/149,415.11 = 33,053.99/x - Step 3: Cross multiply
99,631.74x = 149,415.11 × 33,053.99 - Step 4: Simplify right side
99,631.74x = 4,938,765,386.52 - Step 5: Solve for x
x = 4,938,765,386.52/99,631.74 - Step 6: Final answer
x = 49,570.20
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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.