Finding the Fourth Proportional to 74,588.70, 111,871.94 and 24,669.08
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Solution
The fourth proportional to 74,588.70, 111,871.94 and 24,669.08 is: 36,999.94
Step by Step Solution
- Step 1: Write the proportion equation
74,588.70 : 111,871.94 = 24,669.08 : x - Step 2: Convert to fraction form
74,588.70/111,871.94 = 24,669.08/x - Step 3: Cross multiply
74,588.70x = 111,871.94 × 24,669.08 - Step 4: Simplify right side
74,588.70x = 2,759,777,278.26 - Step 5: Solve for x
x = 2,759,777,278.26/74,588.70 - Step 6: Final answer
x = 36,999.94
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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.