Finding the Fourth Proportional to 119,340.09, 164,691.99 and 65,628.63
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Solution
The fourth proportional to 119,340.09, 164,691.99 and 65,628.63 is: 90,568.98
Step by Step Solution
- Step 1: Write the proportion equation
119,340.09 : 164,691.99 = 65,628.63 : x - Step 2: Convert to fraction form
119,340.09/164,691.99 = 65,628.63/x - Step 3: Cross multiply
119,340.09x = 164,691.99 × 65,628.63 - Step 4: Simplify right side
119,340.09x = 10,808,509,675.67 - Step 5: Solve for x
x = 10,808,509,675.67/119,340.09 - Step 6: Final answer
x = 90,568.98
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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.