Finding the Fourth Proportional to 75,788.67, 113,682.56 and 19,628.64
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Solution
The fourth proportional to 75,788.67, 113,682.56 and 19,628.64 is: 29,442.84
Step by Step Solution
- Step 1: Write the proportion equation
75,788.67 : 113,682.56 = 19,628.64 : x - Step 2: Convert to fraction form
75,788.67/113,682.56 = 19,628.64/x - Step 3: Cross multiply
75,788.67x = 113,682.56 × 19,628.64 - Step 4: Simplify right side
75,788.67x = 2,231,433,946.38 - Step 5: Solve for x
x = 2,231,433,946.38/75,788.67 - Step 6: Final answer
x = 29,442.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.