Finding the Fourth Proportional to 75,926.73, 113,825.29 and 53,670.09
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Solution
The fourth proportional to 75,926.73, 113,825.29 and 53,670.09 is: 80,459.33
Step by Step Solution
- Step 1: Write the proportion equation
75,926.73 : 113,825.29 = 53,670.09 : x - Step 2: Convert to fraction form
75,926.73/113,825.29 = 53,670.09/x - Step 3: Cross multiply
75,926.73x = 113,825.29 × 53,670.09 - Step 4: Simplify right side
75,926.73x = 6,109,013,558.58 - Step 5: Solve for x
x = 6,109,013,558.58/75,926.73 - Step 6: Final answer
x = 80,459.33
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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.