Finding the Fourth Proportional to 75,882.58, 104,713.47 and 41,890.23
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Solution
The fourth proportional to 75,882.58, 104,713.47 and 41,890.23 is: 57,806.04
Step by Step Solution
- Step 1: Write the proportion equation
75,882.58 : 104,713.47 = 41,890.23 : x - Step 2: Convert to fraction form
75,882.58/104,713.47 = 41,890.23/x - Step 3: Cross multiply
75,882.58x = 104,713.47 × 41,890.23 - Step 4: Simplify right side
75,882.58x = 4,386,471,342.40 - Step 5: Solve for x
x = 4,386,471,342.40/75,882.58 - Step 6: Final answer
x = 57,806.04
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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.