Finding the Fourth Proportional to 77,227.91, 106,542.84 and 46,988.99
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Solution
The fourth proportional to 77,227.91, 106,542.84 and 46,988.99 is: 64,825.53
Step by Step Solution
- Step 1: Write the proportion equation
77,227.91 : 106,542.84 = 46,988.99 : x - Step 2: Convert to fraction form
77,227.91/106,542.84 = 46,988.99/x - Step 3: Cross multiply
77,227.91x = 106,542.84 × 46,988.99 - Step 4: Simplify right side
77,227.91x = 5,006,340,443.33 - Step 5: Solve for x
x = 5,006,340,443.33/77,227.91 - Step 6: Final answer
x = 64,825.53
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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.