Finding the Fourth Proportional to 74,041.44, 111,083.70 and 26,655.68
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Solution
The fourth proportional to 74,041.44, 111,083.70 and 26,655.68 is: 39,991.28
Step by Step Solution
- Step 1: Write the proportion equation
74,041.44 : 111,083.70 = 26,655.68 : x - Step 2: Convert to fraction form
74,041.44/111,083.70 = 26,655.68/x - Step 3: Cross multiply
74,041.44x = 111,083.70 × 26,655.68 - Step 4: Simplify right side
74,041.44x = 2,961,011,938.08 - Step 5: Solve for x
x = 2,961,011,938.08/74,041.44 - Step 6: Final answer
x = 39,991.28
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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.