Finding the Fourth Proportional to 75,624.71, 113,437.09 and 31,202.66
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Solution
The fourth proportional to 75,624.71, 113,437.09 and 31,202.66 is: 46,804.00
Step by Step Solution
- Step 1: Write the proportion equation
75,624.71 : 113,437.09 = 31,202.66 : x - Step 2: Convert to fraction form
75,624.71/113,437.09 = 31,202.66/x - Step 3: Cross multiply
75,624.71x = 113,437.09 × 31,202.66 - Step 4: Simplify right side
75,624.71x = 3,539,538,950.66 - Step 5: Solve for x
x = 3,539,538,950.66/75,624.71 - Step 6: Final answer
x = 46,804.00
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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.