Finding the Fourth Proportional to 113,788.73, 170,669.84 and 71,544.13
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Solution
The fourth proportional to 113,788.73, 170,669.84 and 71,544.13 is: 107,307.85
Step by Step Solution
- Step 1: Write the proportion equation
113,788.73 : 170,669.84 = 71,544.13 : x - Step 2: Convert to fraction form
113,788.73/170,669.84 = 71,544.13/x - Step 3: Cross multiply
113,788.73x = 170,669.84 × 71,544.13 - Step 4: Simplify right side
113,788.73x = 12,210,424,435.64 - Step 5: Solve for x
x = 12,210,424,435.64/113,788.73 - Step 6: Final answer
x = 107,307.85
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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.