Finding the Fourth Proportional to 74,547.22, 111,761.99 and 37,086.84
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Solution
The fourth proportional to 74,547.22, 111,761.99 and 37,086.84 is: 55,600.99
Step by Step Solution
- Step 1: Write the proportion equation
74,547.22 : 111,761.99 = 37,086.84 : x - Step 2: Convert to fraction form
74,547.22/111,761.99 = 37,086.84/x - Step 3: Cross multiply
74,547.22x = 111,761.99 × 37,086.84 - Step 4: Simplify right side
74,547.22x = 4,144,899,041.21 - Step 5: Solve for x
x = 4,144,899,041.21/74,547.22 - Step 6: Final answer
x = 55,600.99
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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.