Finding the Fourth Proportional to 77,083.98, 115,541.06 and 50,418.99
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Solution
The fourth proportional to 77,083.98, 115,541.06 and 50,418.99 is: 75,572.94
Step by Step Solution
- Step 1: Write the proportion equation
77,083.98 : 115,541.06 = 50,418.99 : x - Step 2: Convert to fraction form
77,083.98/115,541.06 = 50,418.99/x - Step 3: Cross multiply
77,083.98x = 115,541.06 × 50,418.99 - Step 4: Simplify right side
77,083.98x = 5,825,463,296.63 - Step 5: Solve for x
x = 5,825,463,296.63/77,083.98 - Step 6: Final answer
x = 75,572.94
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1.5x scale
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.