Finding the Fourth Proportional to 84,897.49, 117,151.68 and 49,089.82
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Solution
The fourth proportional to 84,897.49, 117,151.68 and 49,089.82 is: 67,739.99
Step by Step Solution
- Step 1: Write the proportion equation
84,897.49 : 117,151.68 = 49,089.82 : x - Step 2: Convert to fraction form
84,897.49/117,151.68 = 49,089.82/x - Step 3: Cross multiply
84,897.49x = 117,151.68 × 49,089.82 - Step 4: Simplify right side
84,897.49x = 5,750,954,883.90 - Step 5: Solve for x
x = 5,750,954,883.90/84,897.49 - Step 6: Final answer
x = 67,739.99
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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.