Finding the Fourth Proportional to 99,106.92, 136,762.56 and 58,822.38
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Solution
The fourth proportional to 99,106.92, 136,762.56 and 58,822.38 is: 81,171.92
Step by Step Solution
- Step 1: Write the proportion equation
99,106.92 : 136,762.56 = 58,822.38 : x - Step 2: Convert to fraction form
99,106.92/136,762.56 = 58,822.38/x - Step 3: Cross multiply
99,106.92x = 136,762.56 × 58,822.38 - Step 4: Simplify right side
99,106.92x = 8,044,699,274.09 - Step 5: Solve for x
x = 8,044,699,274.09/99,106.92 - Step 6: Final answer
x = 81,171.92
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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.