Finding the Fourth Proportional to 81,798.84, 122,675.58 and 22,629.96
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Solution
The fourth proportional to 81,798.84, 122,675.58 and 22,629.96 is: 33,938.67
Step by Step Solution
- Step 1: Write the proportion equation
81,798.84 : 122,675.58 = 22,629.96 : x - Step 2: Convert to fraction form
81,798.84/122,675.58 = 22,629.96/x - Step 3: Cross multiply
81,798.84x = 122,675.58 × 22,629.96 - Step 4: Simplify right side
81,798.84x = 2,776,143,468.38 - Step 5: Solve for x
x = 2,776,143,468.38/81,798.84 - Step 6: Final answer
x = 33,938.67
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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.