Finding the Fourth Proportional to 75,882.47, 104,718.66 and 41,890.98
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Solution
The fourth proportional to 75,882.47, 104,718.66 and 41,890.98 is: 57,810.02
Step by Step Solution
- Step 1: Write the proportion equation
75,882.47 : 104,718.66 = 41,890.98 : x - Step 2: Convert to fraction form
75,882.47/104,718.66 = 41,890.98/x - Step 3: Cross multiply
75,882.47x = 104,718.66 × 41,890.98 - Step 4: Simplify right side
75,882.47x = 4,386,767,291.69 - Step 5: Solve for x
x = 4,386,767,291.69/75,882.47 - Step 6: Final answer
x = 57,810.02
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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.